Home / 1,246,671.38-1,720,332.32-723,341.50

Finding the Fourth Proportional to 1,246,671.38, 1,720,332.32 and 723,341.50

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Solution

The fourth proportional to 1,246,671.38, 1,720,332.32 and 723,341.50 is: 998,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,671.38 : 1,720,332.32 = 723,341.50 : x
  2. Step 2: Convert to fraction form
    1,246,671.38/1,720,332.32 = 723,341.50/x
  3. Step 3: Cross multiply
    1,246,671.38x = 1,720,332.32 × 723,341.50
  4. Step 4: Simplify right side
    1,246,671.38x = 1,244,387,760,847.28
  5. Step 5: Solve for x
    x = 1,244,387,760,847.28/1,246,671.38
  6. Step 6: Final answer
    x = 998,168.23

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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.