Home / 866,211.80-1,194,809.04-555,622.83

Finding the Fourth Proportional to 866,211.80, 1,194,809.04 and 555,622.83

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Solution

The fourth proportional to 866,211.80, 1,194,809.04 and 555,622.83 is: 766,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,211.80 : 1,194,809.04 = 555,622.83 : x
  2. Step 2: Convert to fraction form
    866,211.80/1,194,809.04 = 555,622.83/x
  3. Step 3: Cross multiply
    866,211.80x = 1,194,809.04 × 555,622.83
  4. Step 4: Simplify right side
    866,211.80x = 663,863,180,114.38
  5. Step 5: Solve for x
    x = 663,863,180,114.38/866,211.80
  6. Step 6: Final answer
    x = 766,398.22

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Double scale
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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.