Home / 823,892.03-1,235,387.52-654,203.76

Finding the Fourth Proportional to 823,892.03, 1,235,387.52 and 654,203.76

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Solution

The fourth proportional to 823,892.03, 1,235,387.52 and 654,203.76 is: 980,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,892.03 : 1,235,387.52 = 654,203.76 : x
  2. Step 2: Convert to fraction form
    823,892.03/1,235,387.52 = 654,203.76/x
  3. Step 3: Cross multiply
    823,892.03x = 1,235,387.52 × 654,203.76
  4. Step 4: Simplify right side
    823,892.03x = 808,195,160,641.08
  5. Step 5: Solve for x
    x = 808,195,160,641.08/823,892.03
  6. Step 6: Final answer
    x = 980,947.91

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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.