Home / 696,072.60-961,042.68-534,638.76

Finding the Fourth Proportional to 696,072.60, 961,042.68 and 534,638.76

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Solution

The fourth proportional to 696,072.60, 961,042.68 and 534,638.76 is: 738,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,072.60 : 961,042.68 = 534,638.76 : x
  2. Step 2: Convert to fraction form
    696,072.60/961,042.68 = 534,638.76/x
  3. Step 3: Cross multiply
    696,072.60x = 961,042.68 × 534,638.76
  4. Step 4: Simplify right side
    696,072.60x = 513,810,666,742.28
  5. Step 5: Solve for x
    x = 513,810,666,742.28/696,072.60
  6. Step 6: Final answer
    x = 738,156.72

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Double scale
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1.5x scale

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.