Home / 696,944.90-961,841.94-386,876.66

Finding the Fourth Proportional to 696,944.90, 961,841.94 and 386,876.66

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Solution

The fourth proportional to 696,944.90, 961,841.94 and 386,876.66 is: 533,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,944.90 : 961,841.94 = 386,876.66 : x
  2. Step 2: Convert to fraction form
    696,944.90/961,841.94 = 386,876.66/x
  3. Step 3: Cross multiply
    696,944.90x = 961,841.94 × 386,876.66
  4. Step 4: Simplify right side
    696,944.90x = 372,114,197,195.12
  5. Step 5: Solve for x
    x = 372,114,197,195.12/696,944.90
  6. Step 6: Final answer
    x = 533,921.97

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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.