Home / 885,520.47-1,222,112.40-541,557.63

Finding the Fourth Proportional to 885,520.47, 1,222,112.40 and 541,557.63

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Solution

The fourth proportional to 885,520.47, 1,222,112.40 and 541,557.63 is: 747,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,520.47 : 1,222,112.40 = 541,557.63 : x
  2. Step 2: Convert to fraction form
    885,520.47/1,222,112.40 = 541,557.63/x
  3. Step 3: Cross multiply
    885,520.47x = 1,222,112.40 × 541,557.63
  4. Step 4: Simplify right side
    885,520.47x = 661,844,294,937.61
  5. Step 5: Solve for x
    x = 661,844,294,937.61/885,520.47
  6. Step 6: Final answer
    x = 747,407.11

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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.