Home / 969,302.40-1,337,660.78-539,611.57

Finding the Fourth Proportional to 969,302.40, 1,337,660.78 and 539,611.57

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Solution

The fourth proportional to 969,302.40, 1,337,660.78 and 539,611.57 is: 744,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,302.40 : 1,337,660.78 = 539,611.57 : x
  2. Step 2: Convert to fraction form
    969,302.40/1,337,660.78 = 539,611.57/x
  3. Step 3: Cross multiply
    969,302.40x = 1,337,660.78 × 539,611.57
  4. Step 4: Simplify right side
    969,302.40x = 721,817,235,632.56
  5. Step 5: Solve for x
    x = 721,817,235,632.56/969,302.40
  6. Step 6: Final answer
    x = 744,677.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.