Home / 711,793.20-1,067,689.80-623,146.80

Finding the Fourth Proportional to 711,793.20, 1,067,689.80 and 623,146.80

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Solution

The fourth proportional to 711,793.20, 1,067,689.80 and 623,146.80 is: 934,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,793.20 : 1,067,689.80 = 623,146.80 : x
  2. Step 2: Convert to fraction form
    711,793.20/1,067,689.80 = 623,146.80/x
  3. Step 3: Cross multiply
    711,793.20x = 1,067,689.80 × 623,146.80
  4. Step 4: Simplify right side
    711,793.20x = 665,327,482,262.64
  5. Step 5: Solve for x
    x = 665,327,482,262.64/711,793.20
  6. Step 6: Final answer
    x = 934,720.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.