Home / 1,286,909.06-1,776,092.00-743,043.93

Finding the Fourth Proportional to 1,286,909.06, 1,776,092.00 and 743,043.93

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Solution

The fourth proportional to 1,286,909.06, 1,776,092.00 and 743,043.93 is: 1,025,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,909.06 : 1,776,092.00 = 743,043.93 : x
  2. Step 2: Convert to fraction form
    1,286,909.06/1,776,092.00 = 743,043.93/x
  3. Step 3: Cross multiply
    1,286,909.06x = 1,776,092.00 × 743,043.93
  4. Step 4: Simplify right side
    1,286,909.06x = 1,319,714,387,632.12
  5. Step 5: Solve for x
    x = 1,319,714,387,632.12/1,286,909.06
  6. Step 6: Final answer
    x = 1,025,491.57

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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.