Home / 815,586.40-1,223,379.60-532,151.20

Finding the Fourth Proportional to 815,586.40, 1,223,379.60 and 532,151.20

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Solution

The fourth proportional to 815,586.40, 1,223,379.60 and 532,151.20 is: 798,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,586.40 : 1,223,379.60 = 532,151.20 : x
  2. Step 2: Convert to fraction form
    815,586.40/1,223,379.60 = 532,151.20/x
  3. Step 3: Cross multiply
    815,586.40x = 1,223,379.60 × 532,151.20
  4. Step 4: Simplify right side
    815,586.40x = 651,022,922,195.52
  5. Step 5: Solve for x
    x = 651,022,922,195.52/815,586.40
  6. Step 6: Final answer
    x = 798,226.80

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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.