Home / 867,489.54-1,197,172.96-480,304.95

Finding the Fourth Proportional to 867,489.54, 1,197,172.96 and 480,304.95

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Solution

The fourth proportional to 867,489.54, 1,197,172.96 and 480,304.95 is: 662,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,489.54 : 1,197,172.96 = 480,304.95 : x
  2. Step 2: Convert to fraction form
    867,489.54/1,197,172.96 = 480,304.95/x
  3. Step 3: Cross multiply
    867,489.54x = 1,197,172.96 × 480,304.95
  4. Step 4: Simplify right side
    867,489.54x = 575,008,098,694.15
  5. Step 5: Solve for x
    x = 575,008,098,694.15/867,489.54
  6. Step 6: Final answer
    x = 662,841.54

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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.