Home / 867,132.40-1,300,115.40-462,391.60

Finding the Fourth Proportional to 867,132.40, 1,300,115.40 and 462,391.60

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Solution

The fourth proportional to 867,132.40, 1,300,115.40 and 462,391.60 is: 693,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,132.40 : 1,300,115.40 = 462,391.60 : x
  2. Step 2: Convert to fraction form
    867,132.40/1,300,115.40 = 462,391.60/x
  3. Step 3: Cross multiply
    867,132.40x = 1,300,115.40 × 462,391.60
  4. Step 4: Simplify right side
    867,132.40x = 601,162,439,990.64
  5. Step 5: Solve for x
    x = 601,162,439,990.64/867,132.40
  6. Step 6: Final answer
    x = 693,276.41

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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.