Home / 885,161.32-1,221,517.04-503,188.12

Finding the Fourth Proportional to 885,161.32, 1,221,517.04 and 503,188.12

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Solution

The fourth proportional to 885,161.32, 1,221,517.04 and 503,188.12 is: 694,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,161.32 : 1,221,517.04 = 503,188.12 : x
  2. Step 2: Convert to fraction form
    885,161.32/1,221,517.04 = 503,188.12/x
  3. Step 3: Cross multiply
    885,161.32x = 1,221,517.04 × 503,188.12
  4. Step 4: Simplify right side
    885,161.32x = 614,652,862,905.57
  5. Step 5: Solve for x
    x = 614,652,862,905.57/885,161.32
  6. Step 6: Final answer
    x = 694,396.43

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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.