Home / 991,851.06-1,368,755.38-539,142.06

Finding the Fourth Proportional to 991,851.06, 1,368,755.38 and 539,142.06

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Solution

The fourth proportional to 991,851.06, 1,368,755.38 and 539,142.06 is: 744,016.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,851.06 : 1,368,755.38 = 539,142.06 : x
  2. Step 2: Convert to fraction form
    991,851.06/1,368,755.38 = 539,142.06/x
  3. Step 3: Cross multiply
    991,851.06x = 1,368,755.38 × 539,142.06
  4. Step 4: Simplify right side
    991,851.06x = 737,953,595,209.28
  5. Step 5: Solve for x
    x = 737,953,595,209.28/991,851.06
  6. Step 6: Final answer
    x = 744,016.54

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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.