Home / 649,616.32-974,385.60-176,291.20

Finding the Fourth Proportional to 649,616.32, 974,385.60 and 176,291.20

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Solution

The fourth proportional to 649,616.32, 974,385.60 and 176,291.20 is: 264,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,616.32 : 974,385.60 = 176,291.20 : x
  2. Step 2: Convert to fraction form
    649,616.32/974,385.60 = 176,291.20/x
  3. Step 3: Cross multiply
    649,616.32x = 974,385.60 × 176,291.20
  4. Step 4: Simplify right side
    649,616.32x = 171,775,606,686.72
  5. Step 5: Solve for x
    x = 171,775,606,686.72/649,616.32
  6. Step 6: Final answer
    x = 264,426.25

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1.5x scale

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.