Home / 944,611.68-1,416,923.90-345,326.30

Finding the Fourth Proportional to 944,611.68, 1,416,923.90 and 345,326.30

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Solution

The fourth proportional to 944,611.68, 1,416,923.90 and 345,326.30 is: 517,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,611.68 : 1,416,923.90 = 345,326.30 : x
  2. Step 2: Convert to fraction form
    944,611.68/1,416,923.90 = 345,326.30/x
  3. Step 3: Cross multiply
    944,611.68x = 1,416,923.90 × 345,326.30
  4. Step 4: Simplify right side
    944,611.68x = 489,301,087,768.57
  5. Step 5: Solve for x
    x = 489,301,087,768.57/944,611.68
  6. Step 6: Final answer
    x = 517,991.78

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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.