Home / 381,729.15-526,418.33-245,802.24

Finding the Fourth Proportional to 381,729.15, 526,418.33 and 245,802.24

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Solution

The fourth proportional to 381,729.15, 526,418.33 and 245,802.24 is: 338,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,729.15 : 526,418.33 = 245,802.24 : x
  2. Step 2: Convert to fraction form
    381,729.15/526,418.33 = 245,802.24/x
  3. Step 3: Cross multiply
    381,729.15x = 526,418.33 × 245,802.24
  4. Step 4: Simplify right side
    381,729.15x = 129,394,803,462.05
  5. Step 5: Solve for x
    x = 129,394,803,462.05/381,729.15
  6. Step 6: Final answer
    x = 338,970.19

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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.