Home / 526,578.30-789,865.72-127,219.07

Finding the Fourth Proportional to 526,578.30, 789,865.72 and 127,219.07

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Solution

The fourth proportional to 526,578.30, 789,865.72 and 127,219.07 is: 190,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,578.30 : 789,865.72 = 127,219.07 : x
  2. Step 2: Convert to fraction form
    526,578.30/789,865.72 = 127,219.07/x
  3. Step 3: Cross multiply
    526,578.30x = 789,865.72 × 127,219.07
  4. Step 4: Simplify right side
    526,578.30x = 100,485,983,370.46
  5. Step 5: Solve for x
    x = 100,485,983,370.46/526,578.30
  6. Step 6: Final answer
    x = 190,828.19

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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.