Home / 719,346.88-992,693.23-397,056.93

Finding the Fourth Proportional to 719,346.88, 992,693.23 and 397,056.93

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Solution

The fourth proportional to 719,346.88, 992,693.23 and 397,056.93 is: 547,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,346.88 : 992,693.23 = 397,056.93 : x
  2. Step 2: Convert to fraction form
    719,346.88/992,693.23 = 397,056.93/x
  3. Step 3: Cross multiply
    719,346.88x = 992,693.23 × 397,056.93
  4. Step 4: Simplify right side
    719,346.88x = 394,155,726,335.58
  5. Step 5: Solve for x
    x = 394,155,726,335.58/719,346.88
  6. Step 6: Final answer
    x = 547,935.55

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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.