Home / 526,729.80-789,576.30-260,531.40

Finding the Fourth Proportional to 526,729.80, 789,576.30 and 260,531.40

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Solution

The fourth proportional to 526,729.80, 789,576.30 and 260,531.40 is: 390,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,729.80 : 789,576.30 = 260,531.40 : x
  2. Step 2: Convert to fraction form
    526,729.80/789,576.30 = 260,531.40/x
  3. Step 3: Cross multiply
    526,729.80x = 789,576.30 × 260,531.40
  4. Step 4: Simplify right side
    526,729.80x = 205,709,418,845.82
  5. Step 5: Solve for x
    x = 205,709,418,845.82/526,729.80
  6. Step 6: Final answer
    x = 390,540.69

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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.