Home / 867,654.04-1,197,350.04-480,432.28

Finding the Fourth Proportional to 867,654.04, 1,197,350.04 and 480,432.28

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Solution

The fourth proportional to 867,654.04, 1,197,350.04 and 480,432.28 is: 662,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,654.04 : 1,197,350.04 = 480,432.28 : x
  2. Step 2: Convert to fraction form
    867,654.04/1,197,350.04 = 480,432.28/x
  3. Step 3: Cross multiply
    867,654.04x = 1,197,350.04 × 480,432.28
  4. Step 4: Simplify right side
    867,654.04x = 575,245,609,675.29
  5. Step 5: Solve for x
    x = 575,245,609,675.29/867,654.04
  6. Step 6: Final answer
    x = 662,989.61

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Double scale
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Similar ratio
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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.