Home / 548,926.30-823,390.38-360,576.40

Finding the Fourth Proportional to 548,926.30, 823,390.38 and 360,576.40

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Solution

The fourth proportional to 548,926.30, 823,390.38 and 360,576.40 is: 540,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,926.30 : 823,390.38 = 360,576.40 : x
  2. Step 2: Convert to fraction form
    548,926.30/823,390.38 = 360,576.40/x
  3. Step 3: Cross multiply
    548,926.30x = 823,390.38 × 360,576.40
  4. Step 4: Simplify right side
    548,926.30x = 296,895,139,015.03
  5. Step 5: Solve for x
    x = 296,895,139,015.03/548,926.30
  6. Step 6: Final answer
    x = 540,865.21

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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.