Home / 1,132,701.32-1,698,996.62-422,674

Finding the Fourth Proportional to 1,132,701.32, 1,698,996.62 and 422,674

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Solution

The fourth proportional to 1,132,701.32, 1,698,996.62 and 422,674 is: 633,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,701.32 : 1,698,996.62 = 422,674 : x
  2. Step 2: Convert to fraction form
    1,132,701.32/1,698,996.62 = 422,674/x
  3. Step 3: Cross multiply
    1,132,701.32x = 1,698,996.62 × 422,674
  4. Step 4: Simplify right side
    1,132,701.32x = 718,121,696,305.20
  5. Step 5: Solve for x
    x = 718,121,696,305.20/1,132,701.32
  6. Step 6: Final answer
    x = 633,990.34

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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.