Home / 572,664.30-858,996.45-515,583.60

Finding the Fourth Proportional to 572,664.30, 858,996.45 and 515,583.60

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Solution

The fourth proportional to 572,664.30, 858,996.45 and 515,583.60 is: 773,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,664.30 : 858,996.45 = 515,583.60 : x
  2. Step 2: Convert to fraction form
    572,664.30/858,996.45 = 515,583.60/x
  3. Step 3: Cross multiply
    572,664.30x = 858,996.45 × 515,583.60
  4. Step 4: Simplify right side
    572,664.30x = 442,884,482,078.22
  5. Step 5: Solve for x
    x = 442,884,482,078.22/572,664.30
  6. Step 6: Final answer
    x = 773,375.40

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Double scale
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Similar ratio
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1.5x scale

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.