Home / 1,000,135.50-1,380,176.43-541,240.14

Finding the Fourth Proportional to 1,000,135.50, 1,380,176.43 and 541,240.14

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Solution

The fourth proportional to 1,000,135.50, 1,380,176.43 and 541,240.14 is: 746,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,135.50 : 1,380,176.43 = 541,240.14 : x
  2. Step 2: Convert to fraction form
    1,000,135.50/1,380,176.43 = 541,240.14/x
  3. Step 3: Cross multiply
    1,000,135.50x = 1,380,176.43 × 541,240.14
  4. Step 4: Simplify right side
    1,000,135.50x = 747,006,884,197.90
  5. Step 5: Solve for x
    x = 747,006,884,197.90/1,000,135.50
  6. Step 6: Final answer
    x = 746,905.68

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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.