Home / 864,128.16-1,192,496.13-482,154.95

Finding the Fourth Proportional to 864,128.16, 1,192,496.13 and 482,154.95

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Solution

The fourth proportional to 864,128.16, 1,192,496.13 and 482,154.95 is: 665,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,128.16 : 1,192,496.13 = 482,154.95 : x
  2. Step 2: Convert to fraction form
    864,128.16/1,192,496.13 = 482,154.95/x
  3. Step 3: Cross multiply
    864,128.16x = 1,192,496.13 × 482,154.95
  4. Step 4: Simplify right side
    864,128.16x = 574,967,905,972.86
  5. Step 5: Solve for x
    x = 574,967,905,972.86/864,128.16
  6. Step 6: Final answer
    x = 665,373.42

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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.