Home / 836,740.38-1,154,701.88-454,767.20

Finding the Fourth Proportional to 836,740.38, 1,154,701.88 and 454,767.20

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Solution

The fourth proportional to 836,740.38, 1,154,701.88 and 454,767.20 is: 627,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,740.38 : 1,154,701.88 = 454,767.20 : x
  2. Step 2: Convert to fraction form
    836,740.38/1,154,701.88 = 454,767.20/x
  3. Step 3: Cross multiply
    836,740.38x = 1,154,701.88 × 454,767.20
  4. Step 4: Simplify right side
    836,740.38x = 525,120,532,754.99
  5. Step 5: Solve for x
    x = 525,120,532,754.99/836,740.38
  6. Step 6: Final answer
    x = 627,578.81

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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.