Home / 972,000.54-1,341,358.77-542,255.04

Finding the Fourth Proportional to 972,000.54, 1,341,358.77 and 542,255.04

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Solution

The fourth proportional to 972,000.54, 1,341,358.77 and 542,255.04 is: 748,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.54 : 1,341,358.77 = 542,255.04 : x
  2. Step 2: Convert to fraction form
    972,000.54/1,341,358.77 = 542,255.04/x
  3. Step 3: Cross multiply
    972,000.54x = 1,341,358.77 × 542,255.04
  4. Step 4: Simplify right side
    972,000.54x = 727,358,550,769.43
  5. Step 5: Solve for x
    x = 727,358,550,769.43/972,000.54
  6. Step 6: Final answer
    x = 748,310.85

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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.