Home / 700,323.20-1,049,793.60-345,046.40

Finding the Fourth Proportional to 700,323.20, 1,049,793.60 and 345,046.40

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Solution

The fourth proportional to 700,323.20, 1,049,793.60 and 345,046.40 is: 517,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,323.20 : 1,049,793.60 = 345,046.40 : x
  2. Step 2: Convert to fraction form
    700,323.20/1,049,793.60 = 345,046.40/x
  3. Step 3: Cross multiply
    700,323.20x = 1,049,793.60 × 345,046.40
  4. Step 4: Simplify right side
    700,323.20x = 362,227,502,423.04
  5. Step 5: Solve for x
    x = 362,227,502,423.04/700,323.20
  6. Step 6: Final answer
    x = 517,229.05

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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.