Home / 804,886.80-1,207,330.20-792,445.20

Finding the Fourth Proportional to 804,886.80, 1,207,330.20 and 792,445.20

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Solution

The fourth proportional to 804,886.80, 1,207,330.20 and 792,445.20 is: 1,188,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,886.80 : 1,207,330.20 = 792,445.20 : x
  2. Step 2: Convert to fraction form
    804,886.80/1,207,330.20 = 792,445.20/x
  3. Step 3: Cross multiply
    804,886.80x = 1,207,330.20 × 792,445.20
  4. Step 4: Simplify right side
    804,886.80x = 956,743,021,805.04
  5. Step 5: Solve for x
    x = 956,743,021,805.04/804,886.80
  6. Step 6: Final answer
    x = 1,188,667.80

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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.