Home / 397,456.61-596,382.05-157,565.46

Finding the Fourth Proportional to 397,456.61, 596,382.05 and 157,565.46

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Solution

The fourth proportional to 397,456.61, 596,382.05 and 157,565.46 is: 236,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,456.61 : 596,382.05 = 157,565.46 : x
  2. Step 2: Convert to fraction form
    397,456.61/596,382.05 = 157,565.46/x
  3. Step 3: Cross multiply
    397,456.61x = 596,382.05 × 157,565.46
  4. Step 4: Simplify right side
    397,456.61x = 93,969,212,437.91
  5. Step 5: Solve for x
    x = 93,969,212,437.91/397,456.61
  6. Step 6: Final answer
    x = 236,426.34

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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.