Home / 1,000,350.75-1,380,484.11-547,641.75

Finding the Fourth Proportional to 1,000,350.75, 1,380,484.11 and 547,641.75

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Solution

The fourth proportional to 1,000,350.75, 1,380,484.11 and 547,641.75 is: 755,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,350.75 : 1,380,484.11 = 547,641.75 : x
  2. Step 2: Convert to fraction form
    1,000,350.75/1,380,484.11 = 547,641.75/x
  3. Step 3: Cross multiply
    1,000,350.75x = 1,380,484.11 × 547,641.75
  4. Step 4: Simplify right side
    1,000,350.75x = 756,010,733,847.59
  5. Step 5: Solve for x
    x = 756,010,733,847.59/1,000,350.75
  6. Step 6: Final answer
    x = 755,745.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.