Home / 1,055,711.11-1,581,009.42-730,588.17

Finding the Fourth Proportional to 1,055,711.11, 1,581,009.42 and 730,588.17

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Solution

The fourth proportional to 1,055,711.11, 1,581,009.42 and 730,588.17 is: 1,094,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,711.11 : 1,581,009.42 = 730,588.17 : x
  2. Step 2: Convert to fraction form
    1,055,711.11/1,581,009.42 = 730,588.17/x
  3. Step 3: Cross multiply
    1,055,711.11x = 1,581,009.42 × 730,588.17
  4. Step 4: Simplify right side
    1,055,711.11x = 1,155,066,781,675.57
  5. Step 5: Solve for x
    x = 1,155,066,781,675.57/1,055,711.11
  6. Step 6: Final answer
    x = 1,094,112.56

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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.