Home / 998,113.20-1,497,234.60-525,721.20

Finding the Fourth Proportional to 998,113.20, 1,497,234.60 and 525,721.20

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Solution

The fourth proportional to 998,113.20, 1,497,234.60 and 525,721.20 is: 788,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,113.20 : 1,497,234.60 = 525,721.20 : x
  2. Step 2: Convert to fraction form
    998,113.20/1,497,234.60 = 525,721.20/x
  3. Step 3: Cross multiply
    998,113.20x = 1,497,234.60 × 525,721.20
  4. Step 4: Simplify right side
    998,113.20x = 787,127,970,593.52
  5. Step 5: Solve for x
    x = 787,127,970,593.52/998,113.20
  6. Step 6: Final answer
    x = 788,615.93

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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.