Home / 695,176.40-1,043,542.20-538,101.20

Finding the Fourth Proportional to 695,176.40, 1,043,542.20 and 538,101.20

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Solution

The fourth proportional to 695,176.40, 1,043,542.20 and 538,101.20 is: 807,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,176.40 : 1,043,542.20 = 538,101.20 : x
  2. Step 2: Convert to fraction form
    695,176.40/1,043,542.20 = 538,101.20/x
  3. Step 3: Cross multiply
    695,176.40x = 1,043,542.20 × 538,101.20
  4. Step 4: Simplify right side
    695,176.40x = 561,531,310,070.64
  5. Step 5: Solve for x
    x = 561,531,310,070.64/695,176.40
  6. Step 6: Final answer
    x = 807,753.70

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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.