Home / 567,029.36-781,423.80-405,604.16

Finding the Fourth Proportional to 567,029.36, 781,423.80 and 405,604.16

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Solution

The fourth proportional to 567,029.36, 781,423.80 and 405,604.16 is: 558,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,029.36 : 781,423.80 = 405,604.16 : x
  2. Step 2: Convert to fraction form
    567,029.36/781,423.80 = 405,604.16/x
  3. Step 3: Cross multiply
    567,029.36x = 781,423.80 × 405,604.16
  4. Step 4: Simplify right side
    567,029.36x = 316,948,744,003.01
  5. Step 5: Solve for x
    x = 316,948,744,003.01/567,029.36
  6. Step 6: Final answer
    x = 558,963.55

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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.