Home / 942,111.72-1,300,352.40-534,456.54

Finding the Fourth Proportional to 942,111.72, 1,300,352.40 and 534,456.54

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Solution

The fourth proportional to 942,111.72, 1,300,352.40 and 534,456.54 is: 737,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,111.72 : 1,300,352.40 = 534,456.54 : x
  2. Step 2: Convert to fraction form
    942,111.72/1,300,352.40 = 534,456.54/x
  3. Step 3: Cross multiply
    942,111.72x = 1,300,352.40 × 534,456.54
  4. Step 4: Simplify right side
    942,111.72x = 694,981,844,484.70
  5. Step 5: Solve for x
    x = 694,981,844,484.70/942,111.72
  6. Step 6: Final answer
    x = 737,685.17

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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.