Home / 1,329,097.91-1,993,550.47-519,330.11

Finding the Fourth Proportional to 1,329,097.91, 1,993,550.47 and 519,330.11

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Solution

The fourth proportional to 1,329,097.91, 1,993,550.47 and 519,330.11 is: 778,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,097.91 : 1,993,550.47 = 519,330.11 : x
  2. Step 2: Convert to fraction form
    1,329,097.91/1,993,550.47 = 519,330.11/x
  3. Step 3: Cross multiply
    1,329,097.91x = 1,993,550.47 × 519,330.11
  4. Step 4: Simplify right side
    1,329,097.91x = 1,035,310,773,609.57
  5. Step 5: Solve for x
    x = 1,035,310,773,609.57/1,329,097.91
  6. Step 6: Final answer
    x = 778,957.49

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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.