Home / 1,205,350.10-1,663,345.66-661,471.90

Finding the Fourth Proportional to 1,205,350.10, 1,663,345.66 and 661,471.90

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Solution

The fourth proportional to 1,205,350.10, 1,663,345.66 and 661,471.90 is: 912,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,350.10 : 1,663,345.66 = 661,471.90 : x
  2. Step 2: Convert to fraction form
    1,205,350.10/1,663,345.66 = 661,471.90/x
  3. Step 3: Cross multiply
    1,205,350.10x = 1,663,345.66 × 661,471.90
  4. Step 4: Simplify right side
    1,205,350.10x = 1,100,256,414,076.95
  5. Step 5: Solve for x
    x = 1,100,256,414,076.95/1,205,350.10
  6. Step 6: Final answer
    x = 912,810.65

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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.