Home / 919,151.20-1,376,005.20-683,538.40

Finding the Fourth Proportional to 919,151.20, 1,376,005.20 and 683,538.40

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Solution

The fourth proportional to 919,151.20, 1,376,005.20 and 683,538.40 is: 1,023,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,151.20 : 1,376,005.20 = 683,538.40 : x
  2. Step 2: Convert to fraction form
    919,151.20/1,376,005.20 = 683,538.40/x
  3. Step 3: Cross multiply
    919,151.20x = 1,376,005.20 × 683,538.40
  4. Step 4: Simplify right side
    919,151.20x = 940,552,392,799.68
  5. Step 5: Solve for x
    x = 940,552,392,799.68/919,151.20
  6. Step 6: Final answer
    x = 1,023,283.65

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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.