Home / 893,920.32-1,233,610.56-491,512.32

Finding the Fourth Proportional to 893,920.32, 1,233,610.56 and 491,512.32

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Solution

The fourth proportional to 893,920.32, 1,233,610.56 and 491,512.32 is: 678,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,920.32 : 1,233,610.56 = 491,512.32 : x
  2. Step 2: Convert to fraction form
    893,920.32/1,233,610.56 = 491,512.32/x
  3. Step 3: Cross multiply
    893,920.32x = 1,233,610.56 × 491,512.32
  4. Step 4: Simplify right side
    893,920.32x = 606,334,788,322.10
  5. Step 5: Solve for x
    x = 606,334,788,322.10/893,920.32
  6. Step 6: Final answer
    x = 678,287.29

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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.