Home / 696,741.75-961,501.64-386,691.14

Finding the Fourth Proportional to 696,741.75, 961,501.64 and 386,691.14

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Solution

The fourth proportional to 696,741.75, 961,501.64 and 386,691.14 is: 533,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,741.75 : 961,501.64 = 386,691.14 : x
  2. Step 2: Convert to fraction form
    696,741.75/961,501.64 = 386,691.14/x
  3. Step 3: Cross multiply
    696,741.75x = 961,501.64 × 386,691.14
  4. Step 4: Simplify right side
    696,741.75x = 371,804,165,283.47
  5. Step 5: Solve for x
    x = 371,804,165,283.47/696,741.75
  6. Step 6: Final answer
    x = 533,632.68

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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.