Home / 1,403,487.96-1,936,650.62-791,650.76

Finding the Fourth Proportional to 1,403,487.96, 1,936,650.62 and 791,650.76

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Solution

The fourth proportional to 1,403,487.96, 1,936,650.62 and 791,650.76 is: 1,092,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,487.96 : 1,936,650.62 = 791,650.76 : x
  2. Step 2: Convert to fraction form
    1,403,487.96/1,936,650.62 = 791,650.76/x
  3. Step 3: Cross multiply
    1,403,487.96x = 1,936,650.62 × 791,650.76
  4. Step 4: Simplify right side
    1,403,487.96x = 1,533,150,935,177.47
  5. Step 5: Solve for x
    x = 1,533,150,935,177.47/1,403,487.96
  6. Step 6: Final answer
    x = 1,092,386.24

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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.