Home / 626,092.12-939,129.07-433,789.21

Finding the Fourth Proportional to 626,092.12, 939,129.07 and 433,789.21

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Solution

The fourth proportional to 626,092.12, 939,129.07 and 433,789.21 is: 650,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,092.12 : 939,129.07 = 433,789.21 : x
  2. Step 2: Convert to fraction form
    626,092.12/939,129.07 = 433,789.21/x
  3. Step 3: Cross multiply
    626,092.12x = 939,129.07 × 433,789.21
  4. Step 4: Simplify right side
    626,092.12x = 407,384,057,363.34
  5. Step 5: Solve for x
    x = 407,384,057,363.34/626,092.12
  6. Step 6: Final answer
    x = 650,677.50

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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.