Home / 1,293,999.11-1,785,851.65-777,920.08

Finding the Fourth Proportional to 1,293,999.11, 1,785,851.65 and 777,920.08

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Solution

The fourth proportional to 1,293,999.11, 1,785,851.65 and 777,920.08 is: 1,073,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,999.11 : 1,785,851.65 = 777,920.08 : x
  2. Step 2: Convert to fraction form
    1,293,999.11/1,785,851.65 = 777,920.08/x
  3. Step 3: Cross multiply
    1,293,999.11x = 1,785,851.65 × 777,920.08
  4. Step 4: Simplify right side
    1,293,999.11x = 1,389,249,853,269.67
  5. Step 5: Solve for x
    x = 1,389,249,853,269.67/1,293,999.11
  6. Step 6: Final answer
    x = 1,073,609.59

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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.