Home / 1,000,515.48-1,380,709.87-541,627.80

Finding the Fourth Proportional to 1,000,515.48, 1,380,709.87 and 541,627.80

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Solution

The fourth proportional to 1,000,515.48, 1,380,709.87 and 541,627.80 is: 747,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,515.48 : 1,380,709.87 = 541,627.80 : x
  2. Step 2: Convert to fraction form
    1,000,515.48/1,380,709.87 = 541,627.80/x
  3. Step 3: Cross multiply
    1,000,515.48x = 1,380,709.87 × 541,627.80
  4. Step 4: Simplify right side
    1,000,515.48x = 747,830,849,326.39
  5. Step 5: Solve for x
    x = 747,830,849,326.39/1,000,515.48
  6. Step 6: Final answer
    x = 747,445.56

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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.