Home / 867,999.66-1,197,645.80-523,891.42

Finding the Fourth Proportional to 867,999.66, 1,197,645.80 and 523,891.42

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Solution

The fourth proportional to 867,999.66, 1,197,645.80 and 523,891.42 is: 722,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,999.66 : 1,197,645.80 = 523,891.42 : x
  2. Step 2: Convert to fraction form
    867,999.66/1,197,645.80 = 523,891.42/x
  3. Step 3: Cross multiply
    867,999.66x = 1,197,645.80 × 523,891.42
  4. Step 4: Simplify right side
    867,999.66x = 627,436,358,819.04
  5. Step 5: Solve for x
    x = 627,436,358,819.04/867,999.66
  6. Step 6: Final answer
    x = 722,853.23

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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.