Home / 415,812.29-573,689.98-254,499.17

Finding the Fourth Proportional to 415,812.29, 573,689.98 and 254,499.17

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Solution

The fourth proportional to 415,812.29, 573,689.98 and 254,499.17 is: 351,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,812.29 : 573,689.98 = 254,499.17 : x
  2. Step 2: Convert to fraction form
    415,812.29/573,689.98 = 254,499.17/x
  3. Step 3: Cross multiply
    415,812.29x = 573,689.98 × 254,499.17
  4. Step 4: Simplify right side
    415,812.29x = 146,003,623,747.32
  5. Step 5: Solve for x
    x = 146,003,623,747.32/415,812.29
  6. Step 6: Final answer
    x = 351,128.69

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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.