Home / 749,206.40-1,123,670.08-216,595.68

Finding the Fourth Proportional to 749,206.40, 1,123,670.08 and 216,595.68

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Solution

The fourth proportional to 749,206.40, 1,123,670.08 and 216,595.68 is: 324,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,206.40 : 1,123,670.08 = 216,595.68 : x
  2. Step 2: Convert to fraction form
    749,206.40/1,123,670.08 = 216,595.68/x
  3. Step 3: Cross multiply
    749,206.40x = 1,123,670.08 × 216,595.68
  4. Step 4: Simplify right side
    749,206.40x = 243,382,085,073.25
  5. Step 5: Solve for x
    x = 243,382,085,073.25/749,206.40
  6. Step 6: Final answer
    x = 324,853.18

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Double scale
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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.