Home / 758,139.90-1,046,217.51-413,986.29

Finding the Fourth Proportional to 758,139.90, 1,046,217.51 and 413,986.29

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Solution

The fourth proportional to 758,139.90, 1,046,217.51 and 413,986.29 is: 571,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,139.90 : 1,046,217.51 = 413,986.29 : x
  2. Step 2: Convert to fraction form
    758,139.90/1,046,217.51 = 413,986.29/x
  3. Step 3: Cross multiply
    758,139.90x = 1,046,217.51 × 413,986.29
  4. Step 4: Simplify right side
    758,139.90x = 433,119,705,497.94
  5. Step 5: Solve for x
    x = 433,119,705,497.94/758,139.90
  6. Step 6: Final answer
    x = 571,292.59

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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.