Home / 389,052.09-537,334.76-261,506.25

Finding the Fourth Proportional to 389,052.09, 537,334.76 and 261,506.25

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Solution

The fourth proportional to 389,052.09, 537,334.76 and 261,506.25 is: 361,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,052.09 : 537,334.76 = 261,506.25 : x
  2. Step 2: Convert to fraction form
    389,052.09/537,334.76 = 261,506.25/x
  3. Step 3: Cross multiply
    389,052.09x = 537,334.76 × 261,506.25
  4. Step 4: Simplify right side
    389,052.09x = 140,516,396,774.72
  5. Step 5: Solve for x
    x = 140,516,396,774.72/389,052.09
  6. Step 6: Final answer
    x = 361,176.31

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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.