Home / 347,032.20-520,062.30-276,076.20

Finding the Fourth Proportional to 347,032.20, 520,062.30 and 276,076.20

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Solution

The fourth proportional to 347,032.20, 520,062.30 and 276,076.20 is: 413,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,032.20 : 520,062.30 = 276,076.20 : x
  2. Step 2: Convert to fraction form
    347,032.20/520,062.30 = 276,076.20/x
  3. Step 3: Cross multiply
    347,032.20x = 520,062.30 × 276,076.20
  4. Step 4: Simplify right side
    347,032.20x = 143,576,823,547.26
  5. Step 5: Solve for x
    x = 143,576,823,547.26/347,032.20
  6. Step 6: Final answer
    x = 413,727.67

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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.