Home / 1,000,525.56-1,380,723.68-541,640

Finding the Fourth Proportional to 1,000,525.56, 1,380,723.68 and 541,640

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Solution

The fourth proportional to 1,000,525.56, 1,380,723.68 and 541,640 is: 747,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,525.56 : 1,380,723.68 = 541,640 : x
  2. Step 2: Convert to fraction form
    1,000,525.56/1,380,723.68 = 541,640/x
  3. Step 3: Cross multiply
    1,000,525.56x = 1,380,723.68 × 541,640
  4. Step 4: Simplify right side
    1,000,525.56x = 747,855,171,327
  5. Step 5: Solve for x
    x = 747,855,171,327/1,000,525.56
  6. Step 6: Final answer
    x = 747,462.34

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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.