Home / 510,143.20-704,058.26-292,429.78

Finding the Fourth Proportional to 510,143.20, 704,058.26 and 292,429.78

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Solution

The fourth proportional to 510,143.20, 704,058.26 and 292,429.78 is: 403,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,143.20 : 704,058.26 = 292,429.78 : x
  2. Step 2: Convert to fraction form
    510,143.20/704,058.26 = 292,429.78/x
  3. Step 3: Cross multiply
    510,143.20x = 704,058.26 × 292,429.78
  4. Step 4: Simplify right side
    510,143.20x = 205,887,602,078.98
  5. Step 5: Solve for x
    x = 205,887,602,078.98/510,143.20
  6. Step 6: Final answer
    x = 403,587.86

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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.