Home / 836,731.76-1,154,689.97-454,758.57

Finding the Fourth Proportional to 836,731.76, 1,154,689.97 and 454,758.57

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Solution

The fourth proportional to 836,731.76, 1,154,689.97 and 454,758.57 is: 627,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,731.76 : 1,154,689.97 = 454,758.57 : x
  2. Step 2: Convert to fraction form
    836,731.76/1,154,689.97 = 454,758.57/x
  3. Step 3: Cross multiply
    836,731.76x = 1,154,689.97 × 454,758.57
  4. Step 4: Simplify right side
    836,731.76x = 525,105,157,276.75
  5. Step 5: Solve for x
    x = 525,105,157,276.75/836,731.76
  6. Step 6: Final answer
    x = 627,566.90

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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.