Home / 700,363.20-1,051,711.20-385,046.40

Finding the Fourth Proportional to 700,363.20, 1,051,711.20 and 385,046.40

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Solution

The fourth proportional to 700,363.20, 1,051,711.20 and 385,046.40 is: 578,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,363.20 : 1,051,711.20 = 385,046.40 : x
  2. Step 2: Convert to fraction form
    700,363.20/1,051,711.20 = 385,046.40/x
  3. Step 3: Cross multiply
    700,363.20x = 1,051,711.20 × 385,046.40
  4. Step 4: Simplify right side
    700,363.20x = 404,957,611,399.68
  5. Step 5: Solve for x
    x = 404,957,611,399.68/700,363.20
  6. Step 6: Final answer
    x = 578,210.86

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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.