Home / 1,178,043.78-1,625,655.78-719,924.52

Finding the Fourth Proportional to 1,178,043.78, 1,625,655.78 and 719,924.52

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Solution

The fourth proportional to 1,178,043.78, 1,625,655.78 and 719,924.52 is: 993,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,043.78 : 1,625,655.78 = 719,924.52 : x
  2. Step 2: Convert to fraction form
    1,178,043.78/1,625,655.78 = 719,924.52/x
  3. Step 3: Cross multiply
    1,178,043.78x = 1,625,655.78 × 719,924.52
  4. Step 4: Simplify right side
    1,178,043.78x = 1,170,349,457,101.73
  5. Step 5: Solve for x
    x = 1,170,349,457,101.73/1,178,043.78
  6. Step 6: Final answer
    x = 993,468.56

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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.