Home / 347,848.40-522,406.20-304,302.80

Finding the Fourth Proportional to 347,848.40, 522,406.20 and 304,302.80

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Solution

The fourth proportional to 347,848.40, 522,406.20 and 304,302.80 is: 457,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,848.40 : 522,406.20 = 304,302.80 : x
  2. Step 2: Convert to fraction form
    347,848.40/522,406.20 = 304,302.80/x
  3. Step 3: Cross multiply
    347,848.40x = 522,406.20 × 304,302.80
  4. Step 4: Simplify right side
    347,848.40x = 158,969,669,397.36
  5. Step 5: Solve for x
    x = 158,969,669,397.36/347,848.40
  6. Step 6: Final answer
    x = 457,008.48

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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.