Home / 423,260.52-584,116.40-232,280.76

Finding the Fourth Proportional to 423,260.52, 584,116.40 and 232,280.76

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Solution

The fourth proportional to 423,260.52, 584,116.40 and 232,280.76 is: 320,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,260.52 : 584,116.40 = 232,280.76 : x
  2. Step 2: Convert to fraction form
    423,260.52/584,116.40 = 232,280.76/x
  3. Step 3: Cross multiply
    423,260.52x = 584,116.40 × 232,280.76
  4. Step 4: Simplify right side
    423,260.52x = 135,679,001,320.46
  5. Step 5: Solve for x
    x = 135,679,001,320.46/423,260.52
  6. Step 6: Final answer
    x = 320,556.71

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Half scale
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Double scale
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Similar ratio
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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.