Home / 866,640.98-1,195,960.47-484,669.28

Finding the Fourth Proportional to 866,640.98, 1,195,960.47 and 484,669.28

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Solution

The fourth proportional to 866,640.98, 1,195,960.47 and 484,669.28 is: 668,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,640.98 : 1,195,960.47 = 484,669.28 : x
  2. Step 2: Convert to fraction form
    866,640.98/1,195,960.47 = 484,669.28/x
  3. Step 3: Cross multiply
    866,640.98x = 1,195,960.47 × 484,669.28
  4. Step 4: Simplify right side
    866,640.98x = 579,645,299,903.36
  5. Step 5: Solve for x
    x = 579,645,299,903.36/866,640.98
  6. Step 6: Final answer
    x = 668,841.32

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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.