Home / 866,110.19-1,195,386.46-522,007.61

Finding the Fourth Proportional to 866,110.19, 1,195,386.46 and 522,007.61

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Solution

The fourth proportional to 866,110.19, 1,195,386.46 and 522,007.61 is: 720,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,110.19 : 1,195,386.46 = 522,007.61 : x
  2. Step 2: Convert to fraction form
    866,110.19/1,195,386.46 = 522,007.61/x
  3. Step 3: Cross multiply
    866,110.19x = 1,195,386.46 × 522,007.61
  4. Step 4: Simplify right side
    866,110.19x = 624,000,821,729.01
  5. Step 5: Solve for x
    x = 624,000,821,729.01/866,110.19
  6. Step 6: Final answer
    x = 720,463.55

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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.