Home / 697,498.25-1,046,257.10-198,862.25

Finding the Fourth Proportional to 697,498.25, 1,046,257.10 and 198,862.25

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Solution

The fourth proportional to 697,498.25, 1,046,257.10 and 198,862.25 is: 298,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,498.25 : 1,046,257.10 = 198,862.25 : x
  2. Step 2: Convert to fraction form
    697,498.25/1,046,257.10 = 198,862.25/x
  3. Step 3: Cross multiply
    697,498.25x = 1,046,257.10 × 198,862.25
  4. Step 4: Simplify right side
    697,498.25x = 208,061,039,990.16
  5. Step 5: Solve for x
    x = 208,061,039,990.16/697,498.25
  6. Step 6: Final answer
    x = 298,296.15

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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.