Home / 658,997.92-909,407.28-372,507.94

Finding the Fourth Proportional to 658,997.92, 909,407.28 and 372,507.94

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Solution

The fourth proportional to 658,997.92, 909,407.28 and 372,507.94 is: 514,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,997.92 : 909,407.28 = 372,507.94 : x
  2. Step 2: Convert to fraction form
    658,997.92/909,407.28 = 372,507.94/x
  3. Step 3: Cross multiply
    658,997.92x = 909,407.28 × 372,507.94
  4. Step 4: Simplify right side
    658,997.92x = 338,761,432,493.80
  5. Step 5: Solve for x
    x = 338,761,432,493.80/658,997.92
  6. Step 6: Final answer
    x = 514,055.39

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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.