Home / 866,165.36-1,195,309.56-484,191.68

Finding the Fourth Proportional to 866,165.36, 1,195,309.56 and 484,191.68

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Solution

The fourth proportional to 866,165.36, 1,195,309.56 and 484,191.68 is: 668,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,165.36 : 1,195,309.56 = 484,191.68 : x
  2. Step 2: Convert to fraction form
    866,165.36/1,195,309.56 = 484,191.68/x
  3. Step 3: Cross multiply
    866,165.36x = 1,195,309.56 × 484,191.68
  4. Step 4: Simplify right side
    866,165.36x = 578,758,943,976.46
  5. Step 5: Solve for x
    x = 578,758,943,976.46/866,165.36
  6. Step 6: Final answer
    x = 668,185.28

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1.5x scale

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.