Home / 1,120,753.47-1,547,039.19-661,869.96

Finding the Fourth Proportional to 1,120,753.47, 1,547,039.19 and 661,869.96

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Solution

The fourth proportional to 1,120,753.47, 1,547,039.19 and 661,869.96 is: 913,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,753.47 : 1,547,039.19 = 661,869.96 : x
  2. Step 2: Convert to fraction form
    1,120,753.47/1,547,039.19 = 661,869.96/x
  3. Step 3: Cross multiply
    1,120,753.47x = 1,547,039.19 × 661,869.96
  4. Step 4: Simplify right side
    1,120,753.47x = 1,023,938,766,803.73
  5. Step 5: Solve for x
    x = 1,023,938,766,803.73/1,120,753.47
  6. Step 6: Final answer
    x = 913,616.41

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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.