Home / 748,016.51-1,122,182.41-242,538.08

Finding the Fourth Proportional to 748,016.51, 1,122,182.41 and 242,538.08

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Solution

The fourth proportional to 748,016.51, 1,122,182.41 and 242,538.08 is: 363,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,016.51 : 1,122,182.41 = 242,538.08 : x
  2. Step 2: Convert to fraction form
    748,016.51/1,122,182.41 = 242,538.08/x
  3. Step 3: Cross multiply
    748,016.51x = 1,122,182.41 × 242,538.08
  4. Step 4: Simplify right side
    748,016.51x = 272,171,969,330.28
  5. Step 5: Solve for x
    x = 272,171,969,330.28/748,016.51
  6. Step 6: Final answer
    x = 363,858.24

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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.