Home / 1,377,040.11-1,900,277.31-765,177.04

Finding the Fourth Proportional to 1,377,040.11, 1,900,277.31 and 765,177.04

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Solution

The fourth proportional to 1,377,040.11, 1,900,277.31 and 765,177.04 is: 1,055,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,040.11 : 1,900,277.31 = 765,177.04 : x
  2. Step 2: Convert to fraction form
    1,377,040.11/1,900,277.31 = 765,177.04/x
  3. Step 3: Cross multiply
    1,377,040.11x = 1,900,277.31 × 765,177.04
  4. Step 4: Simplify right side
    1,377,040.11x = 1,454,048,567,244.96
  5. Step 5: Solve for x
    x = 1,454,048,567,244.96/1,377,040.11
  6. Step 6: Final answer
    x = 1,055,923.18

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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.