Home / 836,515.35-1,154,388.78-454,542.03

Finding the Fourth Proportional to 836,515.35, 1,154,388.78 and 454,542.03

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Solution

The fourth proportional to 836,515.35, 1,154,388.78 and 454,542.03 is: 627,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,515.35 : 1,154,388.78 = 454,542.03 : x
  2. Step 2: Convert to fraction form
    836,515.35/1,154,388.78 = 454,542.03/x
  3. Step 3: Cross multiply
    836,515.35x = 1,154,388.78 × 454,542.03
  4. Step 4: Simplify right side
    836,515.35x = 524,718,219,470.42
  5. Step 5: Solve for x
    x = 524,718,219,470.42/836,515.35
  6. Step 6: Final answer
    x = 627,266.70

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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.