Home / 969,818.22-1,338,253.23-540,138.33

Finding the Fourth Proportional to 969,818.22, 1,338,253.23 and 540,138.33

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Solution

The fourth proportional to 969,818.22, 1,338,253.23 and 540,138.33 is: 745,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,818.22 : 1,338,253.23 = 540,138.33 : x
  2. Step 2: Convert to fraction form
    969,818.22/1,338,253.23 = 540,138.33/x
  3. Step 3: Cross multiply
    969,818.22x = 1,338,253.23 × 540,138.33
  4. Step 4: Simplify right side
    969,818.22x = 722,841,864,769.31
  5. Step 5: Solve for x
    x = 722,841,864,769.31/969,818.22
  6. Step 6: Final answer
    x = 745,337.48

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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.