Home / 744,528.80-1,116,793.20-669,879.20

Finding the Fourth Proportional to 744,528.80, 1,116,793.20 and 669,879.20

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Solution

The fourth proportional to 744,528.80, 1,116,793.20 and 669,879.20 is: 1,004,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,528.80 : 1,116,793.20 = 669,879.20 : x
  2. Step 2: Convert to fraction form
    744,528.80/1,116,793.20 = 669,879.20/x
  3. Step 3: Cross multiply
    744,528.80x = 1,116,793.20 × 669,879.20
  4. Step 4: Simplify right side
    744,528.80x = 748,116,535,381.44
  5. Step 5: Solve for x
    x = 748,116,535,381.44/744,528.80
  6. Step 6: Final answer
    x = 1,004,818.80

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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.