Home / 1,285,061.11-1,773,394.89-712,110.85

Finding the Fourth Proportional to 1,285,061.11, 1,773,394.89 and 712,110.85

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Solution

The fourth proportional to 1,285,061.11, 1,773,394.89 and 712,110.85 is: 982,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,061.11 : 1,773,394.89 = 712,110.85 : x
  2. Step 2: Convert to fraction form
    1,285,061.11/1,773,394.89 = 712,110.85/x
  3. Step 3: Cross multiply
    1,285,061.11x = 1,773,394.89 × 712,110.85
  4. Step 4: Simplify right side
    1,285,061.11x = 1,262,853,742,503.56
  5. Step 5: Solve for x
    x = 1,262,853,742,503.56/1,285,061.11
  6. Step 6: Final answer
    x = 982,718.82

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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.