Home / 1,329,099.16-1,993,552.34-519,331.36

Finding the Fourth Proportional to 1,329,099.16, 1,993,552.34 and 519,331.36

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Solution

The fourth proportional to 1,329,099.16, 1,993,552.34 and 519,331.36 is: 778,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,099.16 : 1,993,552.34 = 519,331.36 : x
  2. Step 2: Convert to fraction form
    1,329,099.16/1,993,552.34 = 519,331.36/x
  3. Step 3: Cross multiply
    1,329,099.16x = 1,993,552.34 × 519,331.36
  4. Step 4: Simplify right side
    1,329,099.16x = 1,035,314,247,963.38
  5. Step 5: Solve for x
    x = 1,035,314,247,963.38/1,329,099.16
  6. Step 6: Final answer
    x = 778,959.37

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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.