Home / 1,276,278.90-1,914,418.35-566,378.70

Finding the Fourth Proportional to 1,276,278.90, 1,914,418.35 and 566,378.70

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Solution

The fourth proportional to 1,276,278.90, 1,914,418.35 and 566,378.70 is: 849,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,278.90 : 1,914,418.35 = 566,378.70 : x
  2. Step 2: Convert to fraction form
    1,276,278.90/1,914,418.35 = 566,378.70/x
  3. Step 3: Cross multiply
    1,276,278.90x = 1,914,418.35 × 566,378.70
  4. Step 4: Simplify right side
    1,276,278.90x = 1,084,285,776,329.15
  5. Step 5: Solve for x
    x = 1,084,285,776,329.15/1,276,278.90
  6. Step 6: Final answer
    x = 849,568.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.