Home / 908,196.75-1,253,350.40-505,788.75

Finding the Fourth Proportional to 908,196.75, 1,253,350.40 and 505,788.75

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Solution

The fourth proportional to 908,196.75, 1,253,350.40 and 505,788.75 is: 698,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,196.75 : 1,253,350.40 = 505,788.75 : x
  2. Step 2: Convert to fraction form
    908,196.75/1,253,350.40 = 505,788.75/x
  3. Step 3: Cross multiply
    908,196.75x = 1,253,350.40 × 505,788.75
  4. Step 4: Simplify right side
    908,196.75x = 633,930,529,599.06
  5. Step 5: Solve for x
    x = 633,930,529,599.06/908,196.75
  6. Step 6: Final answer
    x = 698,010.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.