Home / 748,411.75-1,122,662.73-508,424.04

Finding the Fourth Proportional to 748,411.75, 1,122,662.73 and 508,424.04

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Solution

The fourth proportional to 748,411.75, 1,122,662.73 and 508,424.04 is: 762,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,411.75 : 1,122,662.73 = 508,424.04 : x
  2. Step 2: Convert to fraction form
    748,411.75/1,122,662.73 = 508,424.04/x
  3. Step 3: Cross multiply
    748,411.75x = 1,122,662.73 × 508,424.04
  4. Step 4: Simplify right side
    748,411.75x = 570,788,722,650.62
  5. Step 5: Solve for x
    x = 570,788,722,650.62/748,411.75
  6. Step 6: Final answer
    x = 762,666.70

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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.