Home / 893,888.56-1,233,566.10-491,480.56

Finding the Fourth Proportional to 893,888.56, 1,233,566.10 and 491,480.56

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Solution

The fourth proportional to 893,888.56, 1,233,566.10 and 491,480.56 is: 678,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,888.56 : 1,233,566.10 = 491,480.56 : x
  2. Step 2: Convert to fraction form
    893,888.56/1,233,566.10 = 491,480.56/x
  3. Step 3: Cross multiply
    893,888.56x = 1,233,566.10 × 491,480.56
  4. Step 4: Simplify right side
    893,888.56x = 606,273,757,625.02
  5. Step 5: Solve for x
    x = 606,273,757,625.02/893,888.56
  6. Step 6: Final answer
    x = 678,243.11

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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.