Home / 998,111.20-1,497,231.60-525,719.20

Finding the Fourth Proportional to 998,111.20, 1,497,231.60 and 525,719.20

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Solution

The fourth proportional to 998,111.20, 1,497,231.60 and 525,719.20 is: 788,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,111.20 : 1,497,231.60 = 525,719.20 : x
  2. Step 2: Convert to fraction form
    998,111.20/1,497,231.60 = 525,719.20/x
  3. Step 3: Cross multiply
    998,111.20x = 1,497,231.60 × 525,719.20
  4. Step 4: Simplify right side
    998,111.20x = 787,123,398,966.72
  5. Step 5: Solve for x
    x = 787,123,398,966.72/998,111.20
  6. Step 6: Final answer
    x = 788,612.93

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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.