Home / 1,229,168.30-1,844,011.65-518,830.70

Finding the Fourth Proportional to 1,229,168.30, 1,844,011.65 and 518,830.70

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Solution

The fourth proportional to 1,229,168.30, 1,844,011.65 and 518,830.70 is: 778,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,168.30 : 1,844,011.65 = 518,830.70 : x
  2. Step 2: Convert to fraction form
    1,229,168.30/1,844,011.65 = 518,830.70/x
  3. Step 3: Cross multiply
    1,229,168.30x = 1,844,011.65 × 518,830.70
  4. Step 4: Simplify right side
    1,229,168.30x = 956,729,855,177.66
  5. Step 5: Solve for x
    x = 956,729,855,177.66/1,229,168.30
  6. Step 6: Final answer
    x = 778,355.46

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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.