Home / 1,329,100.16-1,993,553.84-519,332.36

Finding the Fourth Proportional to 1,329,100.16, 1,993,553.84 and 519,332.36

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Solution

The fourth proportional to 1,329,100.16, 1,993,553.84 and 519,332.36 is: 778,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,100.16 : 1,993,553.84 = 519,332.36 : x
  2. Step 2: Convert to fraction form
    1,329,100.16/1,993,553.84 = 519,332.36/x
  3. Step 3: Cross multiply
    1,329,100.16x = 1,993,553.84 × 519,332.36
  4. Step 4: Simplify right side
    1,329,100.16x = 1,035,317,020,514.26
  5. Step 5: Solve for x
    x = 1,035,317,020,514.26/1,329,100.16
  6. Step 6: Final answer
    x = 778,960.87

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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.