Home / 639,021.30-958,531.95-544,032.60

Finding the Fourth Proportional to 639,021.30, 958,531.95 and 544,032.60

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Solution

The fourth proportional to 639,021.30, 958,531.95 and 544,032.60 is: 816,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,021.30 : 958,531.95 = 544,032.60 : x
  2. Step 2: Convert to fraction form
    639,021.30/958,531.95 = 544,032.60/x
  3. Step 3: Cross multiply
    639,021.30x = 958,531.95 × 544,032.60
  4. Step 4: Simplify right side
    639,021.30x = 521,472,628,941.57
  5. Step 5: Solve for x
    x = 521,472,628,941.57/639,021.30
  6. Step 6: Final answer
    x = 816,048.90

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Similar ratio
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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.