Home / 866,639.04-1,195,999.20-484,665.60

Finding the Fourth Proportional to 866,639.04, 1,195,999.20 and 484,665.60

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Solution

The fourth proportional to 866,639.04, 1,195,999.20 and 484,665.60 is: 668,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,639.04 : 1,195,999.20 = 484,665.60 : x
  2. Step 2: Convert to fraction form
    866,639.04/1,195,999.20 = 484,665.60/x
  3. Step 3: Cross multiply
    866,639.04x = 1,195,999.20 × 484,665.60
  4. Step 4: Simplify right side
    866,639.04x = 579,659,669,867.52
  5. Step 5: Solve for x
    x = 579,659,669,867.52/866,639.04
  6. Step 6: Final answer
    x = 668,859.40

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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.