Home / 292,986.36-404,099.40-212,679.72

Finding the Fourth Proportional to 292,986.36, 404,099.40 and 212,679.72

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Solution

The fourth proportional to 292,986.36, 404,099.40 and 212,679.72 is: 293,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,986.36 : 404,099.40 = 212,679.72 : x
  2. Step 2: Convert to fraction form
    292,986.36/404,099.40 = 212,679.72/x
  3. Step 3: Cross multiply
    292,986.36x = 404,099.40 × 212,679.72
  4. Step 4: Simplify right side
    292,986.36x = 85,943,747,244.17
  5. Step 5: Solve for x
    x = 85,943,747,244.17/292,986.36
  6. Step 6: Final answer
    x = 293,337.03

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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.