Home / 914,496.78-1,261,986.94-506,592.12

Finding the Fourth Proportional to 914,496.78, 1,261,986.94 and 506,592.12

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Solution

The fourth proportional to 914,496.78, 1,261,986.94 and 506,592.12 is: 699,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,496.78 : 1,261,986.94 = 506,592.12 : x
  2. Step 2: Convert to fraction form
    914,496.78/1,261,986.94 = 506,592.12/x
  3. Step 3: Cross multiply
    914,496.78x = 1,261,986.94 × 506,592.12
  4. Step 4: Simplify right side
    914,496.78x = 639,312,641,863.02
  5. Step 5: Solve for x
    x = 639,312,641,863.02/914,496.78
  6. Step 6: Final answer
    x = 699,086.81

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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.