Home / 836,616.76-1,154,530.14-454,642.68

Finding the Fourth Proportional to 836,616.76, 1,154,530.14 and 454,642.68

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Solution

The fourth proportional to 836,616.76, 1,154,530.14 and 454,642.68 is: 627,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,616.76 : 1,154,530.14 = 454,642.68 : x
  2. Step 2: Convert to fraction form
    836,616.76/1,154,530.14 = 454,642.68/x
  3. Step 3: Cross multiply
    836,616.76x = 1,154,530.14 × 454,642.68
  4. Step 4: Simplify right side
    836,616.76x = 524,898,676,990.38
  5. Step 5: Solve for x
    x = 524,898,676,990.38/836,616.76
  6. Step 6: Final answer
    x = 627,406.36

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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.