Home / 836,348.20-1,154,154.36-454,378.12

Finding the Fourth Proportional to 836,348.20, 1,154,154.36 and 454,378.12

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Solution

The fourth proportional to 836,348.20, 1,154,154.36 and 454,378.12 is: 627,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,348.20 : 1,154,154.36 = 454,378.12 : x
  2. Step 2: Convert to fraction form
    836,348.20/1,154,154.36 = 454,378.12/x
  3. Step 3: Cross multiply
    836,348.20x = 1,154,154.36 × 454,378.12
  4. Step 4: Simplify right side
    836,348.20x = 524,422,488,286.60
  5. Step 5: Solve for x
    x = 524,422,488,286.60/836,348.20
  6. Step 6: Final answer
    x = 627,038.46

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Double scale
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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.