Home / 728,501.97-1,092,668.90-195,981.15

Finding the Fourth Proportional to 728,501.97, 1,092,668.90 and 195,981.15

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Solution

The fourth proportional to 728,501.97, 1,092,668.90 and 195,981.15 is: 293,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,501.97 : 1,092,668.90 = 195,981.15 : x
  2. Step 2: Convert to fraction form
    728,501.97/1,092,668.90 = 195,981.15/x
  3. Step 3: Cross multiply
    728,501.97x = 1,092,668.90 × 195,981.15
  4. Step 4: Simplify right side
    728,501.97x = 214,142,506,611.33
  5. Step 5: Solve for x
    x = 214,142,506,611.33/728,501.97
  6. Step 6: Final answer
    x = 293,949.11

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Double scale
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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.