Home / 836,626.28-1,154,539.84-454,654.56

Finding the Fourth Proportional to 836,626.28, 1,154,539.84 and 454,654.56

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Solution

The fourth proportional to 836,626.28, 1,154,539.84 and 454,654.56 is: 627,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,626.28 : 1,154,539.84 = 454,654.56 : x
  2. Step 2: Convert to fraction form
    836,626.28/1,154,539.84 = 454,654.56/x
  3. Step 3: Cross multiply
    836,626.28x = 1,154,539.84 × 454,654.56
  4. Step 4: Simplify right side
    836,626.28x = 524,916,802,957.67
  5. Step 5: Solve for x
    x = 524,916,802,957.67/836,626.28
  6. Step 6: Final answer
    x = 627,420.89

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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.