Home / 1,205,132.33-1,663,026.96-661,254.59

Finding the Fourth Proportional to 1,205,132.33, 1,663,026.96 and 661,254.59

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Solution

The fourth proportional to 1,205,132.33, 1,663,026.96 and 661,254.59 is: 912,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,132.33 : 1,663,026.96 = 661,254.59 : x
  2. Step 2: Convert to fraction form
    1,205,132.33/1,663,026.96 = 661,254.59/x
  3. Step 3: Cross multiply
    1,205,132.33x = 1,663,026.96 × 661,254.59
  4. Step 4: Simplify right side
    1,205,132.33x = 1,099,684,210,593.75
  5. Step 5: Solve for x
    x = 1,099,684,210,593.75/1,205,132.33
  6. Step 6: Final answer
    x = 912,500.80

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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.