Home / 748,829.80-1,123,244.70-433,901.80

Finding the Fourth Proportional to 748,829.80, 1,123,244.70 and 433,901.80

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Solution

The fourth proportional to 748,829.80, 1,123,244.70 and 433,901.80 is: 650,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,829.80 : 1,123,244.70 = 433,901.80 : x
  2. Step 2: Convert to fraction form
    748,829.80/1,123,244.70 = 433,901.80/x
  3. Step 3: Cross multiply
    748,829.80x = 1,123,244.70 × 433,901.80
  4. Step 4: Simplify right side
    748,829.80x = 487,377,897,170.46
  5. Step 5: Solve for x
    x = 487,377,897,170.46/748,829.80
  6. Step 6: Final answer
    x = 650,852.70

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Double scale
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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.