Home / 733,708.80-1,100,563.20-521,132.40

Finding the Fourth Proportional to 733,708.80, 1,100,563.20 and 521,132.40

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Solution

The fourth proportional to 733,708.80, 1,100,563.20 and 521,132.40 is: 781,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,708.80 : 1,100,563.20 = 521,132.40 : x
  2. Step 2: Convert to fraction form
    733,708.80/1,100,563.20 = 521,132.40/x
  3. Step 3: Cross multiply
    733,708.80x = 1,100,563.20 × 521,132.40
  4. Step 4: Simplify right side
    733,708.80x = 573,539,141,767.68
  5. Step 5: Solve for x
    x = 573,539,141,767.68/733,708.80
  6. Step 6: Final answer
    x = 781,698.60

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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.