Home / 1,231,927.20-1,847,570-521,589.60

Finding the Fourth Proportional to 1,231,927.20, 1,847,570 and 521,589.60

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Solution

The fourth proportional to 1,231,927.20, 1,847,570 and 521,589.60 is: 782,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,927.20 : 1,847,570 = 521,589.60 : x
  2. Step 2: Convert to fraction form
    1,231,927.20/1,847,570 = 521,589.60/x
  3. Step 3: Cross multiply
    1,231,927.20x = 1,847,570 × 521,589.60
  4. Step 4: Simplify right side
    1,231,927.20x = 963,673,297,272
  5. Step 5: Solve for x
    x = 963,673,297,272/1,231,927.20
  6. Step 6: Final answer
    x = 782,248.58

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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.