Home / 919,542.80-1,376,203.80-807,568.40

Finding the Fourth Proportional to 919,542.80, 1,376,203.80 and 807,568.40

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Solution

The fourth proportional to 919,542.80, 1,376,203.80 and 807,568.40 is: 1,208,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,542.80 : 1,376,203.80 = 807,568.40 : x
  2. Step 2: Convert to fraction form
    919,542.80/1,376,203.80 = 807,568.40/x
  3. Step 3: Cross multiply
    919,542.80x = 1,376,203.80 × 807,568.40
  4. Step 4: Simplify right side
    919,542.80x = 1,111,378,700,839.92
  5. Step 5: Solve for x
    x = 1,111,378,700,839.92/919,542.80
  6. Step 6: Final answer
    x = 1,208,620.96

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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.