Home / 443,768.06-612,329.55-252,785.18

Finding the Fourth Proportional to 443,768.06, 612,329.55 and 252,785.18

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Solution

The fourth proportional to 443,768.06, 612,329.55 and 252,785.18 is: 348,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,768.06 : 612,329.55 = 252,785.18 : x
  2. Step 2: Convert to fraction form
    443,768.06/612,329.55 = 252,785.18/x
  3. Step 3: Cross multiply
    443,768.06x = 612,329.55 × 252,785.18
  4. Step 4: Simplify right side
    443,768.06x = 154,787,835,516.07
  5. Step 5: Solve for x
    x = 154,787,835,516.07/443,768.06
  6. Step 6: Final answer
    x = 348,803.46

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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.