Home / 836,521.28-1,154,406.68-454,548.06

Finding the Fourth Proportional to 836,521.28, 1,154,406.68 and 454,548.06

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Solution

The fourth proportional to 836,521.28, 1,154,406.68 and 454,548.06 is: 627,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,521.28 : 1,154,406.68 = 454,548.06 : x
  2. Step 2: Convert to fraction form
    836,521.28/1,154,406.68 = 454,548.06/x
  3. Step 3: Cross multiply
    836,521.28x = 1,154,406.68 × 454,548.06
  4. Step 4: Simplify right side
    836,521.28x = 524,733,316,845.04
  5. Step 5: Solve for x
    x = 524,733,316,845.04/836,521.28
  6. Step 6: Final answer
    x = 627,280.30

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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.