Home / 511,619.13-767,428.16-174,631.82

Finding the Fourth Proportional to 511,619.13, 767,428.16 and 174,631.82

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Solution

The fourth proportional to 511,619.13, 767,428.16 and 174,631.82 is: 261,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,619.13 : 767,428.16 = 174,631.82 : x
  2. Step 2: Convert to fraction form
    511,619.13/767,428.16 = 174,631.82/x
  3. Step 3: Cross multiply
    511,619.13x = 767,428.16 × 174,631.82
  4. Step 4: Simplify right side
    511,619.13x = 134,017,371,589.75
  5. Step 5: Solve for x
    x = 134,017,371,589.75/511,619.13
  6. Step 6: Final answer
    x = 261,947.54

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1.5x scale

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.