Home / 729,013.88-1,006,068.31-406,752.14

Finding the Fourth Proportional to 729,013.88, 1,006,068.31 and 406,752.14

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Solution

The fourth proportional to 729,013.88, 1,006,068.31 and 406,752.14 is: 561,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,013.88 : 1,006,068.31 = 406,752.14 : x
  2. Step 2: Convert to fraction form
    729,013.88/1,006,068.31 = 406,752.14/x
  3. Step 3: Cross multiply
    729,013.88x = 1,006,068.31 × 406,752.14
  4. Step 4: Simplify right side
    729,013.88x = 409,220,432,031.46
  5. Step 5: Solve for x
    x = 409,220,432,031.46/729,013.88
  6. Step 6: Final answer
    x = 561,334.22

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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.