Home / 722,976.60-1,083,428.10-531,946.20

Finding the Fourth Proportional to 722,976.60, 1,083,428.10 and 531,946.20

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Solution

The fourth proportional to 722,976.60, 1,083,428.10 and 531,946.20 is: 797,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,976.60 : 1,083,428.10 = 531,946.20 : x
  2. Step 2: Convert to fraction form
    722,976.60/1,083,428.10 = 531,946.20/x
  3. Step 3: Cross multiply
    722,976.60x = 1,083,428.10 × 531,946.20
  4. Step 4: Simplify right side
    722,976.60x = 576,325,460,768.22
  5. Step 5: Solve for x
    x = 576,325,460,768.22/722,976.60
  6. Step 6: Final answer
    x = 797,156.45

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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.