Home / 986,638.41-1,361,556-533,929.41

Finding the Fourth Proportional to 986,638.41, 1,361,556 and 533,929.41

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Solution

The fourth proportional to 986,638.41, 1,361,556 and 533,929.41 is: 736,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,638.41 : 1,361,556 = 533,929.41 : x
  2. Step 2: Convert to fraction form
    986,638.41/1,361,556 = 533,929.41/x
  3. Step 3: Cross multiply
    986,638.41x = 1,361,556 × 533,929.41
  4. Step 4: Simplify right side
    986,638.41x = 726,974,791,761.96
  5. Step 5: Solve for x
    x = 726,974,791,761.96/986,638.41
  6. Step 6: Final answer
    x = 736,819.88

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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.