Home / 836,295.48-1,254,443.49-205,209.27

Finding the Fourth Proportional to 836,295.48, 1,254,443.49 and 205,209.27

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Solution

The fourth proportional to 836,295.48, 1,254,443.49 and 205,209.27 is: 307,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,295.48 : 1,254,443.49 = 205,209.27 : x
  2. Step 2: Convert to fraction form
    836,295.48/1,254,443.49 = 205,209.27/x
  3. Step 3: Cross multiply
    836,295.48x = 1,254,443.49 × 205,209.27
  4. Step 4: Simplify right side
    836,295.48x = 257,423,432,839.15
  5. Step 5: Solve for x
    x = 257,423,432,839.15/836,295.48
  6. Step 6: Final answer
    x = 307,813.97

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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.