Home / 893,857.89-1,233,548.22-485,987.19

Finding the Fourth Proportional to 893,857.89, 1,233,548.22 and 485,987.19

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Solution

The fourth proportional to 893,857.89, 1,233,548.22 and 485,987.19 is: 670,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,857.89 : 1,233,548.22 = 485,987.19 : x
  2. Step 2: Convert to fraction form
    893,857.89/1,233,548.22 = 485,987.19/x
  3. Step 3: Cross multiply
    893,857.89x = 1,233,548.22 × 485,987.19
  4. Step 4: Simplify right side
    893,857.89x = 599,488,633,167.30
  5. Step 5: Solve for x
    x = 599,488,633,167.30/893,857.89
  6. Step 6: Final answer
    x = 670,675.55

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Half scale
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Double scale
Find fourth proportional to 893,858.89, 1,233,549.60 and 485,988.19
Similar ratio
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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.