Home / 689,409.40-1,034,891.70-532,334.20

Finding the Fourth Proportional to 689,409.40, 1,034,891.70 and 532,334.20

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Solution

The fourth proportional to 689,409.40, 1,034,891.70 and 532,334.20 is: 799,101.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,409.40 : 1,034,891.70 = 532,334.20 : x
  2. Step 2: Convert to fraction form
    689,409.40/1,034,891.70 = 532,334.20/x
  3. Step 3: Cross multiply
    689,409.40x = 1,034,891.70 × 532,334.20
  4. Step 4: Simplify right side
    689,409.40x = 550,908,245,206.14
  5. Step 5: Solve for x
    x = 550,908,245,206.14/689,409.40
  6. Step 6: Final answer
    x = 799,101.73

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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.