Home / 923,403.43-1,387,207.01-668,023.71

Finding the Fourth Proportional to 923,403.43, 1,387,207.01 and 668,023.71

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Solution

The fourth proportional to 923,403.43, 1,387,207.01 and 668,023.71 is: 1,003,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,403.43 : 1,387,207.01 = 668,023.71 : x
  2. Step 2: Convert to fraction form
    923,403.43/1,387,207.01 = 668,023.71/x
  3. Step 3: Cross multiply
    923,403.43x = 1,387,207.01 × 668,023.71
  4. Step 4: Simplify right side
    923,403.43x = 926,687,173,358.21
  5. Step 5: Solve for x
    x = 926,687,173,358.21/923,403.43
  6. Step 6: Final answer
    x = 1,003,556.13

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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.