Home / 866,545.72-1,195,865.74-484,571.64

Finding the Fourth Proportional to 866,545.72, 1,195,865.74 and 484,571.64

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Solution

The fourth proportional to 866,545.72, 1,195,865.74 and 484,571.64 is: 668,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,545.72 : 1,195,865.74 = 484,571.64 : x
  2. Step 2: Convert to fraction form
    866,545.72/1,195,865.74 = 484,571.64/x
  3. Step 3: Cross multiply
    866,545.72x = 1,195,865.74 × 484,571.64
  4. Step 4: Simplify right side
    866,545.72x = 579,482,622,851.61
  5. Step 5: Solve for x
    x = 579,482,622,851.61/866,545.72
  6. Step 6: Final answer
    x = 668,727.12

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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.