Home / 1,130,470.94-1,560,049.54-621,206.12

Finding the Fourth Proportional to 1,130,470.94, 1,560,049.54 and 621,206.12

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Solution

The fourth proportional to 1,130,470.94, 1,560,049.54 and 621,206.12 is: 857,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,470.94 : 1,560,049.54 = 621,206.12 : x
  2. Step 2: Convert to fraction form
    1,130,470.94/1,560,049.54 = 621,206.12/x
  3. Step 3: Cross multiply
    1,130,470.94x = 1,560,049.54 × 621,206.12
  4. Step 4: Simplify right side
    1,130,470.94x = 969,112,320,198.17
  5. Step 5: Solve for x
    x = 969,112,320,198.17/1,130,470.94
  6. Step 6: Final answer
    x = 857,264.25

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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.