Home / 858,917.04-1,287,872.28-574,931.04

Finding the Fourth Proportional to 858,917.04, 1,287,872.28 and 574,931.04

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Solution

The fourth proportional to 858,917.04, 1,287,872.28 and 574,931.04 is: 862,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,917.04 : 1,287,872.28 = 574,931.04 : x
  2. Step 2: Convert to fraction form
    858,917.04/1,287,872.28 = 574,931.04/x
  3. Step 3: Cross multiply
    858,917.04x = 1,287,872.28 × 574,931.04
  4. Step 4: Simplify right side
    858,917.04x = 740,437,749,327.57
  5. Step 5: Solve for x
    x = 740,437,749,327.57/858,917.04
  6. Step 6: Final answer
    x = 862,059.68

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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.