Home / 656,361.20-984,541.80-157,725.20

Finding the Fourth Proportional to 656,361.20, 984,541.80 and 157,725.20

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Solution

The fourth proportional to 656,361.20, 984,541.80 and 157,725.20 is: 236,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,361.20 : 984,541.80 = 157,725.20 : x
  2. Step 2: Convert to fraction form
    656,361.20/984,541.80 = 157,725.20/x
  3. Step 3: Cross multiply
    656,361.20x = 984,541.80 × 157,725.20
  4. Step 4: Simplify right side
    656,361.20x = 155,287,047,390.65
  5. Step 5: Solve for x
    x = 155,287,047,390.65/656,361.20
  6. Step 6: Final answer
    x = 236,587.79

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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.