Home / 836,351.91-1,154,171.16-454,378.59

Finding the Fourth Proportional to 836,351.91, 1,154,171.16 and 454,378.59

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Solution

The fourth proportional to 836,351.91, 1,154,171.16 and 454,378.59 is: 627,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,351.91 : 1,154,171.16 = 454,378.59 : x
  2. Step 2: Convert to fraction form
    836,351.91/1,154,171.16 = 454,378.59/x
  3. Step 3: Cross multiply
    836,351.91x = 1,154,171.16 × 454,378.59
  4. Step 4: Simplify right side
    836,351.91x = 524,430,664,299.46
  5. Step 5: Solve for x
    x = 524,430,664,299.46/836,351.91
  6. Step 6: Final answer
    x = 627,045.46

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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.