Home / 827,281.60-1,240,922.40-354,014.80

Finding the Fourth Proportional to 827,281.60, 1,240,922.40 and 354,014.80

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Solution

The fourth proportional to 827,281.60, 1,240,922.40 and 354,014.80 is: 531,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,281.60 : 1,240,922.40 = 354,014.80 : x
  2. Step 2: Convert to fraction form
    827,281.60/1,240,922.40 = 354,014.80/x
  3. Step 3: Cross multiply
    827,281.60x = 1,240,922.40 × 354,014.80
  4. Step 4: Simplify right side
    827,281.60x = 439,304,895,251.52
  5. Step 5: Solve for x
    x = 439,304,895,251.52/827,281.60
  6. Step 6: Final answer
    x = 531,022.20

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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.