Home / 885,712.80-1,328,569.20-246,015.30

Finding the Fourth Proportional to 885,712.80, 1,328,569.20 and 246,015.30

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Solution

The fourth proportional to 885,712.80, 1,328,569.20 and 246,015.30 is: 369,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,712.80 : 1,328,569.20 = 246,015.30 : x
  2. Step 2: Convert to fraction form
    885,712.80/1,328,569.20 = 246,015.30/x
  3. Step 3: Cross multiply
    885,712.80x = 1,328,569.20 × 246,015.30
  4. Step 4: Simplify right side
    885,712.80x = 326,848,350,308.76
  5. Step 5: Solve for x
    x = 326,848,350,308.76/885,712.80
  6. Step 6: Final answer
    x = 369,022.95

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Double scale
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Similar ratio
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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.