Home / 353,052.36-486,880.20-272,352.24

Finding the Fourth Proportional to 353,052.36, 486,880.20 and 272,352.24

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Solution

The fourth proportional to 353,052.36, 486,880.20 and 272,352.24 is: 375,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,052.36 : 486,880.20 = 272,352.24 : x
  2. Step 2: Convert to fraction form
    353,052.36/486,880.20 = 272,352.24/x
  3. Step 3: Cross multiply
    353,052.36x = 486,880.20 × 272,352.24
  4. Step 4: Simplify right side
    353,052.36x = 132,602,913,081.65
  5. Step 5: Solve for x
    x = 132,602,913,081.65/353,052.36
  6. Step 6: Final answer
    x = 375,589.94

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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.