Home / 696,171.24-960,630.30-424,140.42

Finding the Fourth Proportional to 696,171.24, 960,630.30 and 424,140.42

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Solution

The fourth proportional to 696,171.24, 960,630.30 and 424,140.42 is: 585,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,171.24 : 960,630.30 = 424,140.42 : x
  2. Step 2: Convert to fraction form
    696,171.24/960,630.30 = 424,140.42/x
  3. Step 3: Cross multiply
    696,171.24x = 960,630.30 × 424,140.42
  4. Step 4: Simplify right side
    696,171.24x = 407,442,138,906.73
  5. Step 5: Solve for x
    x = 407,442,138,906.73/696,171.24
  6. Step 6: Final answer
    x = 585,261.38

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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.