Home / 840,287.53-1,159,591.46-477,711.48

Finding the Fourth Proportional to 840,287.53, 1,159,591.46 and 477,711.48

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Solution

The fourth proportional to 840,287.53, 1,159,591.46 and 477,711.48 is: 659,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,287.53 : 1,159,591.46 = 477,711.48 : x
  2. Step 2: Convert to fraction form
    840,287.53/1,159,591.46 = 477,711.48/x
  3. Step 3: Cross multiply
    840,287.53x = 1,159,591.46 × 477,711.48
  4. Step 4: Simplify right side
    840,287.53x = 553,950,152,551.96
  5. Step 5: Solve for x
    x = 553,950,152,551.96/840,287.53
  6. Step 6: Final answer
    x = 659,238.81

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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.