Home / 475,103.06-712,565.48-238,382.18

Finding the Fourth Proportional to 475,103.06, 712,565.48 and 238,382.18

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Solution

The fourth proportional to 475,103.06, 712,565.48 and 238,382.18 is: 357,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,103.06 : 712,565.48 = 238,382.18 : x
  2. Step 2: Convert to fraction form
    475,103.06/712,565.48 = 238,382.18/x
  3. Step 3: Cross multiply
    475,103.06x = 712,565.48 × 238,382.18
  4. Step 4: Simplify right side
    475,103.06x = 169,862,912,515.15
  5. Step 5: Solve for x
    x = 169,862,912,515.15/475,103.06
  6. Step 6: Final answer
    x = 357,528.56

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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.