Home / 722,980.60-1,083,434.10-531,950.20

Finding the Fourth Proportional to 722,980.60, 1,083,434.10 and 531,950.20

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Solution

The fourth proportional to 722,980.60, 1,083,434.10 and 531,950.20 is: 797,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,980.60 : 1,083,434.10 = 531,950.20 : x
  2. Step 2: Convert to fraction form
    722,980.60/1,083,434.10 = 531,950.20/x
  3. Step 3: Cross multiply
    722,980.60x = 1,083,434.10 × 531,950.20
  4. Step 4: Simplify right side
    722,980.60x = 576,332,986,181.82
  5. Step 5: Solve for x
    x = 576,332,986,181.82/722,980.60
  6. Step 6: Final answer
    x = 797,162.45

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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.