Home / 847,363.50-1,270,932.03-314,811.90

Finding the Fourth Proportional to 847,363.50, 1,270,932.03 and 314,811.90

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Solution

The fourth proportional to 847,363.50, 1,270,932.03 and 314,811.90 is: 472,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,363.50 : 1,270,932.03 = 314,811.90 : x
  2. Step 2: Convert to fraction form
    847,363.50/1,270,932.03 = 314,811.90/x
  3. Step 3: Cross multiply
    847,363.50x = 1,270,932.03 × 314,811.90
  4. Step 4: Simplify right side
    847,363.50x = 400,104,527,135.16
  5. Step 5: Solve for x
    x = 400,104,527,135.16/847,363.50
  6. Step 6: Final answer
    x = 472,175.79

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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.