Home / 969,819.52-1,338,321-540,090.76

Finding the Fourth Proportional to 969,819.52, 1,338,321 and 540,090.76

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Solution

The fourth proportional to 969,819.52, 1,338,321 and 540,090.76 is: 745,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,819.52 : 1,338,321 = 540,090.76 : x
  2. Step 2: Convert to fraction form
    969,819.52/1,338,321 = 540,090.76/x
  3. Step 3: Cross multiply
    969,819.52x = 1,338,321 × 540,090.76
  4. Step 4: Simplify right side
    969,819.52x = 722,814,806,013.96
  5. Step 5: Solve for x
    x = 722,814,806,013.96/969,819.52
  6. Step 6: Final answer
    x = 745,308.58

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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.