Home / 544,923.40-817,385.10-478,438.60

Finding the Fourth Proportional to 544,923.40, 817,385.10 and 478,438.60

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Solution

The fourth proportional to 544,923.40, 817,385.10 and 478,438.60 is: 717,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,923.40 : 817,385.10 = 478,438.60 : x
  2. Step 2: Convert to fraction form
    544,923.40/817,385.10 = 478,438.60/x
  3. Step 3: Cross multiply
    544,923.40x = 817,385.10 × 478,438.60
  4. Step 4: Simplify right side
    544,923.40x = 391,068,582,904.86
  5. Step 5: Solve for x
    x = 391,068,582,904.86/544,923.40
  6. Step 6: Final answer
    x = 717,657.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.