Home / 868,910.08-1,303,569.12-269,840.32

Finding the Fourth Proportional to 868,910.08, 1,303,569.12 and 269,840.32

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Solution

The fourth proportional to 868,910.08, 1,303,569.12 and 269,840.32 is: 404,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,910.08 : 1,303,569.12 = 269,840.32 : x
  2. Step 2: Convert to fraction form
    868,910.08/1,303,569.12 = 269,840.32/x
  3. Step 3: Cross multiply
    868,910.08x = 1,303,569.12 × 269,840.32
  4. Step 4: Simplify right side
    868,910.08x = 351,755,508,482.92
  5. Step 5: Solve for x
    x = 351,755,508,482.92/868,910.08
  6. Step 6: Final answer
    x = 404,823.83

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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.