Home / 526,365.10-789,540.30-127,002.52

Finding the Fourth Proportional to 526,365.10, 789,540.30 and 127,002.52

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Solution

The fourth proportional to 526,365.10, 789,540.30 and 127,002.52 is: 190,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,365.10 : 789,540.30 = 127,002.52 : x
  2. Step 2: Convert to fraction form
    526,365.10/789,540.30 = 127,002.52/x
  3. Step 3: Cross multiply
    526,365.10x = 789,540.30 × 127,002.52
  4. Step 4: Simplify right side
    526,365.10x = 100,273,607,741.56
  5. Step 5: Solve for x
    x = 100,273,607,741.56/526,365.10
  6. Step 6: Final answer
    x = 190,502.01

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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.