Home / 1,005,209.20-1,387,199.44-546,323.84

Finding the Fourth Proportional to 1,005,209.20, 1,387,199.44 and 546,323.84

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Solution

The fourth proportional to 1,005,209.20, 1,387,199.44 and 546,323.84 is: 753,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,209.20 : 1,387,199.44 = 546,323.84 : x
  2. Step 2: Convert to fraction form
    1,005,209.20/1,387,199.44 = 546,323.84/x
  3. Step 3: Cross multiply
    1,005,209.20x = 1,387,199.44 × 546,323.84
  4. Step 4: Simplify right side
    1,005,209.20x = 757,860,124,906.65
  5. Step 5: Solve for x
    x = 757,860,124,906.65/1,005,209.20
  6. Step 6: Final answer
    x = 753,932.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.