Home / 1,350,541.35-1,863,907.88-777,693.15

Finding the Fourth Proportional to 1,350,541.35, 1,863,907.88 and 777,693.15

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Solution

The fourth proportional to 1,350,541.35, 1,863,907.88 and 777,693.15 is: 1,073,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,541.35 : 1,863,907.88 = 777,693.15 : x
  2. Step 2: Convert to fraction form
    1,350,541.35/1,863,907.88 = 777,693.15/x
  3. Step 3: Cross multiply
    1,350,541.35x = 1,863,907.88 × 777,693.15
  4. Step 4: Simplify right side
    1,350,541.35x = 1,449,548,386,618.56
  5. Step 5: Solve for x
    x = 1,449,548,386,618.56/1,350,541.35
  6. Step 6: Final answer
    x = 1,073,309.15

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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.