Home / 649,302.18-896,126.02-373,654.38

Finding the Fourth Proportional to 649,302.18, 896,126.02 and 373,654.38

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Solution

The fourth proportional to 649,302.18, 896,126.02 and 373,654.38 is: 515,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,302.18 : 896,126.02 = 373,654.38 : x
  2. Step 2: Convert to fraction form
    649,302.18/896,126.02 = 373,654.38/x
  3. Step 3: Cross multiply
    649,302.18x = 896,126.02 × 373,654.38
  4. Step 4: Simplify right side
    649,302.18x = 334,841,412,404.97
  5. Step 5: Solve for x
    x = 334,841,412,404.97/649,302.18
  6. Step 6: Final answer
    x = 515,694.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.