Home / 821,137.35-1,133,158.17-477,167.66

Finding the Fourth Proportional to 821,137.35, 1,133,158.17 and 477,167.66

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Solution

The fourth proportional to 821,137.35, 1,133,158.17 and 477,167.66 is: 658,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,137.35 : 1,133,158.17 = 477,167.66 : x
  2. Step 2: Convert to fraction form
    821,137.35/1,133,158.17 = 477,167.66/x
  3. Step 3: Cross multiply
    821,137.35x = 1,133,158.17 × 477,167.66
  4. Step 4: Simplify right side
    821,137.35x = 540,706,432,761.71
  5. Step 5: Solve for x
    x = 540,706,432,761.71/821,137.35
  6. Step 6: Final answer
    x = 658,484.76

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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.