Home / 1,167,000.10-1,750,500.15-419,121.70

Finding the Fourth Proportional to 1,167,000.10, 1,750,500.15 and 419,121.70

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Solution

The fourth proportional to 1,167,000.10, 1,750,500.15 and 419,121.70 is: 628,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,000.10 : 1,750,500.15 = 419,121.70 : x
  2. Step 2: Convert to fraction form
    1,167,000.10/1,750,500.15 = 419,121.70/x
  3. Step 3: Cross multiply
    1,167,000.10x = 1,750,500.15 × 419,121.70
  4. Step 4: Simplify right side
    1,167,000.10x = 733,672,598,718.26
  5. Step 5: Solve for x
    x = 733,672,598,718.26/1,167,000.10
  6. Step 6: Final answer
    x = 628,682.55

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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.