Home / 850,974.12-1,174,296.42-468,999.72

Finding the Fourth Proportional to 850,974.12, 1,174,296.42 and 468,999.72

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Solution

The fourth proportional to 850,974.12, 1,174,296.42 and 468,999.72 is: 647,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,974.12 : 1,174,296.42 = 468,999.72 : x
  2. Step 2: Convert to fraction form
    850,974.12/1,174,296.42 = 468,999.72/x
  3. Step 3: Cross multiply
    850,974.12x = 1,174,296.42 × 468,999.72
  4. Step 4: Simplify right side
    850,974.12x = 550,744,692,177.00
  5. Step 5: Solve for x
    x = 550,744,692,177.00/850,974.12
  6. Step 6: Final answer
    x = 647,193.23

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1.5x scale

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.