Home / 535,238.20-738,638.85-293,506.36

Finding the Fourth Proportional to 535,238.20, 738,638.85 and 293,506.36

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Solution

The fourth proportional to 535,238.20, 738,638.85 and 293,506.36 is: 405,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,238.20 : 738,638.85 = 293,506.36 : x
  2. Step 2: Convert to fraction form
    535,238.20/738,638.85 = 293,506.36/x
  3. Step 3: Cross multiply
    535,238.20x = 738,638.85 × 293,506.36
  4. Step 4: Simplify right side
    535,238.20x = 216,795,200,218.09
  5. Step 5: Solve for x
    x = 216,795,200,218.09/535,238.20
  6. Step 6: Final answer
    x = 405,044.33

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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.