Home / 639,032.80-958,549.20-544,044.10

Finding the Fourth Proportional to 639,032.80, 958,549.20 and 544,044.10

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Solution

The fourth proportional to 639,032.80, 958,549.20 and 544,044.10 is: 816,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,032.80 : 958,549.20 = 544,044.10 : x
  2. Step 2: Convert to fraction form
    639,032.80/958,549.20 = 544,044.10/x
  3. Step 3: Cross multiply
    639,032.80x = 958,549.20 × 544,044.10
  4. Step 4: Simplify right side
    639,032.80x = 521,493,036,819.72
  5. Step 5: Solve for x
    x = 521,493,036,819.72/639,032.80
  6. Step 6: Final answer
    x = 816,066.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.