Home / 942,122.96-1,413,185.40-381,162.32

Finding the Fourth Proportional to 942,122.96, 1,413,185.40 and 381,162.32

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Solution

The fourth proportional to 942,122.96, 1,413,185.40 and 381,162.32 is: 571,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,122.96 : 1,413,185.40 = 381,162.32 : x
  2. Step 2: Convert to fraction form
    942,122.96/1,413,185.40 = 381,162.32/x
  3. Step 3: Cross multiply
    942,122.96x = 1,413,185.40 × 381,162.32
  4. Step 4: Simplify right side
    942,122.96x = 538,653,025,654.13
  5. Step 5: Solve for x
    x = 538,653,025,654.13/942,122.96
  6. Step 6: Final answer
    x = 571,743.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.