Home / 997,950.91-1,377,172.77-539,065.46

Finding the Fourth Proportional to 997,950.91, 1,377,172.77 and 539,065.46

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Solution

The fourth proportional to 997,950.91, 1,377,172.77 and 539,065.46 is: 743,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,950.91 : 1,377,172.77 = 539,065.46 : x
  2. Step 2: Convert to fraction form
    997,950.91/1,377,172.77 = 539,065.46/x
  3. Step 3: Cross multiply
    997,950.91x = 1,377,172.77 × 539,065.46
  4. Step 4: Simplify right side
    997,950.91x = 742,386,272,759.52
  5. Step 5: Solve for x
    x = 742,386,272,759.52/997,950.91
  6. Step 6: Final answer
    x = 743,910.61

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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.