Home / 1,127,381.80-1,555,788.97-611,134.11

Finding the Fourth Proportional to 1,127,381.80, 1,555,788.97 and 611,134.11

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Solution

The fourth proportional to 1,127,381.80, 1,555,788.97 and 611,134.11 is: 843,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,381.80 : 1,555,788.97 = 611,134.11 : x
  2. Step 2: Convert to fraction form
    1,127,381.80/1,555,788.97 = 611,134.11/x
  3. Step 3: Cross multiply
    1,127,381.80x = 1,555,788.97 × 611,134.11
  4. Step 4: Simplify right side
    1,127,381.80x = 950,795,702,458.48
  5. Step 5: Solve for x
    x = 950,795,702,458.48/1,127,381.80
  6. Step 6: Final answer
    x = 843,366.20

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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.