Home / 891,208.78-1,337,037.13-411,775.85

Finding the Fourth Proportional to 891,208.78, 1,337,037.13 and 411,775.85

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Solution

The fourth proportional to 891,208.78, 1,337,037.13 and 411,775.85 is: 617,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,208.78 : 1,337,037.13 = 411,775.85 : x
  2. Step 2: Convert to fraction form
    891,208.78/1,337,037.13 = 411,775.85/x
  3. Step 3: Cross multiply
    891,208.78x = 1,337,037.13 × 411,775.85
  4. Step 4: Simplify right side
    891,208.78x = 550,559,604,544.62
  5. Step 5: Solve for x
    x = 550,559,604,544.62/891,208.78
  6. Step 6: Final answer
    x = 617,767.26

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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.