Home / 477,528.16-658,488.52-356,475.28

Finding the Fourth Proportional to 477,528.16, 658,488.52 and 356,475.28

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Solution

The fourth proportional to 477,528.16, 658,488.52 and 356,475.28 is: 491,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,528.16 : 658,488.52 = 356,475.28 : x
  2. Step 2: Convert to fraction form
    477,528.16/658,488.52 = 356,475.28/x
  3. Step 3: Cross multiply
    477,528.16x = 658,488.52 × 356,475.28
  4. Step 4: Simplify right side
    477,528.16x = 234,734,879,543.79
  5. Step 5: Solve for x
    x = 234,734,879,543.79/477,528.16
  6. Step 6: Final answer
    x = 491,562.38

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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.