Home / 1,191,042.97-1,785,559.93-516,616.47

Finding the Fourth Proportional to 1,191,042.97, 1,785,559.93 and 516,616.47

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Solution

The fourth proportional to 1,191,042.97, 1,785,559.93 and 516,616.47 is: 774,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,042.97 : 1,785,559.93 = 516,616.47 : x
  2. Step 2: Convert to fraction form
    1,191,042.97/1,785,559.93 = 516,616.47/x
  3. Step 3: Cross multiply
    1,191,042.97x = 1,785,559.93 × 516,616.47
  4. Step 4: Simplify right side
    1,191,042.97x = 922,449,666,718.51
  5. Step 5: Solve for x
    x = 922,449,666,718.51/1,191,042.97
  6. Step 6: Final answer
    x = 774,488.99

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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.