Home / 723,286.02-1,084,780.80-273,851.86

Finding the Fourth Proportional to 723,286.02, 1,084,780.80 and 273,851.86

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Solution

The fourth proportional to 723,286.02, 1,084,780.80 and 273,851.86 is: 410,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,286.02 : 1,084,780.80 = 273,851.86 : x
  2. Step 2: Convert to fraction form
    723,286.02/1,084,780.80 = 273,851.86/x
  3. Step 3: Cross multiply
    723,286.02x = 1,084,780.80 × 273,851.86
  4. Step 4: Simplify right side
    723,286.02x = 297,069,239,772.29
  5. Step 5: Solve for x
    x = 297,069,239,772.29/723,286.02
  6. Step 6: Final answer
    x = 410,721.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.