Home / 352,565.12-527,678.22-321,048.02

Finding the Fourth Proportional to 352,565.12, 527,678.22 and 321,048.02

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Solution

The fourth proportional to 352,565.12, 527,678.22 and 321,048.02 is: 480,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565.12 : 527,678.22 = 321,048.02 : x
  2. Step 2: Convert to fraction form
    352,565.12/527,678.22 = 321,048.02/x
  3. Step 3: Cross multiply
    352,565.12x = 527,678.22 × 321,048.02
  4. Step 4: Simplify right side
    352,565.12x = 169,410,047,728.12
  5. Step 5: Solve for x
    x = 169,410,047,728.12/352,565.12
  6. Step 6: Final answer
    x = 480,507.11

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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.