Home / 740,126.71-1,110,230.43-234,651.12

Finding the Fourth Proportional to 740,126.71, 1,110,230.43 and 234,651.12

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Solution

The fourth proportional to 740,126.71, 1,110,230.43 and 234,651.12 is: 351,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,126.71 : 1,110,230.43 = 234,651.12 : x
  2. Step 2: Convert to fraction form
    740,126.71/1,110,230.43 = 234,651.12/x
  3. Step 3: Cross multiply
    740,126.71x = 1,110,230.43 × 234,651.12
  4. Step 4: Simplify right side
    740,126.71x = 260,516,813,857.58
  5. Step 5: Solve for x
    x = 260,516,813,857.58/740,126.71
  6. Step 6: Final answer
    x = 351,989.48

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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.