Home / 477,125.13-658,434.15-262,287.21

Finding the Fourth Proportional to 477,125.13, 658,434.15 and 262,287.21

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Solution

The fourth proportional to 477,125.13, 658,434.15 and 262,287.21 is: 361,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,125.13 : 658,434.15 = 262,287.21 : x
  2. Step 2: Convert to fraction form
    477,125.13/658,434.15 = 262,287.21/x
  3. Step 3: Cross multiply
    477,125.13x = 658,434.15 × 262,287.21
  4. Step 4: Simplify right side
    477,125.13x = 172,698,856,172.22
  5. Step 5: Solve for x
    x = 172,698,856,172.22/477,125.13
  6. Step 6: Final answer
    x = 361,957.16

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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.