Home / 749,063.90-1,123,595.85-433,358.30

Finding the Fourth Proportional to 749,063.90, 1,123,595.85 and 433,358.30

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Solution

The fourth proportional to 749,063.90, 1,123,595.85 and 433,358.30 is: 650,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,063.90 : 1,123,595.85 = 433,358.30 : x
  2. Step 2: Convert to fraction form
    749,063.90/1,123,595.85 = 433,358.30/x
  3. Step 3: Cross multiply
    749,063.90x = 1,123,595.85 × 433,358.30
  4. Step 4: Simplify right side
    749,063.90x = 486,919,587,443.06
  5. Step 5: Solve for x
    x = 486,919,587,443.06/749,063.90
  6. Step 6: Final answer
    x = 650,037.45

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Half scale
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Double scale
Find fourth proportional to 749,064.90, 1,123,597.35 and 433,359.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.