Home / 993,399.52-1,370,920.68-703,529.68

Finding the Fourth Proportional to 993,399.52, 1,370,920.68 and 703,529.68

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Solution

The fourth proportional to 993,399.52, 1,370,920.68 and 703,529.68 is: 970,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,399.52 : 1,370,920.68 = 703,529.68 : x
  2. Step 2: Convert to fraction form
    993,399.52/1,370,920.68 = 703,529.68/x
  3. Step 3: Cross multiply
    993,399.52x = 1,370,920.68 × 703,529.68
  4. Step 4: Simplify right side
    993,399.52x = 964,483,387,305.78
  5. Step 5: Solve for x
    x = 964,483,387,305.78/993,399.52
  6. Step 6: Final answer
    x = 970,891.74

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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.