Home / 526,364.12-789,539.35-127,001.52

Finding the Fourth Proportional to 526,364.12, 789,539.35 and 127,001.52

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Solution

The fourth proportional to 526,364.12, 789,539.35 and 127,001.52 is: 190,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,364.12 : 789,539.35 = 127,001.52 : x
  2. Step 2: Convert to fraction form
    526,364.12/789,539.35 = 127,001.52/x
  3. Step 3: Cross multiply
    526,364.12x = 789,539.35 × 127,001.52
  4. Step 4: Simplify right side
    526,364.12x = 100,272,697,470.44
  5. Step 5: Solve for x
    x = 100,272,697,470.44/526,364.12
  6. Step 6: Final answer
    x = 190,500.63

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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.