Home / 1,178,014.05-1,625,616.41-719,895.47

Finding the Fourth Proportional to 1,178,014.05, 1,625,616.41 and 719,895.47

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Solution

The fourth proportional to 1,178,014.05, 1,625,616.41 and 719,895.47 is: 993,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,014.05 : 1,625,616.41 = 719,895.47 : x
  2. Step 2: Convert to fraction form
    1,178,014.05/1,625,616.41 = 719,895.47/x
  3. Step 3: Cross multiply
    1,178,014.05x = 1,625,616.41 × 719,895.47
  4. Step 4: Simplify right side
    1,178,014.05x = 1,170,273,877,789.10
  5. Step 5: Solve for x
    x = 1,170,273,877,789.10/1,178,014.05
  6. Step 6: Final answer
    x = 993,429.47

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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.