Home / 836,521.38-1,154,406.43-454,548.16

Finding the Fourth Proportional to 836,521.38, 1,154,406.43 and 454,548.16

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Solution

The fourth proportional to 836,521.38, 1,154,406.43 and 454,548.16 is: 627,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,521.38 : 1,154,406.43 = 454,548.16 : x
  2. Step 2: Convert to fraction form
    836,521.38/1,154,406.43 = 454,548.16/x
  3. Step 3: Cross multiply
    836,521.38x = 1,154,406.43 × 454,548.16
  4. Step 4: Simplify right side
    836,521.38x = 524,733,318,648.67
  5. Step 5: Solve for x
    x = 524,733,318,648.67/836,521.38
  6. Step 6: Final answer
    x = 627,280.22

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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.