Home / 430,306.05-593,843.40-239,315.34

Finding the Fourth Proportional to 430,306.05, 593,843.40 and 239,315.34

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Solution

The fourth proportional to 430,306.05, 593,843.40 and 239,315.34 is: 330,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,306.05 : 593,843.40 = 239,315.34 : x
  2. Step 2: Convert to fraction form
    430,306.05/593,843.40 = 239,315.34/x
  3. Step 3: Cross multiply
    430,306.05x = 593,843.40 × 239,315.34
  4. Step 4: Simplify right side
    430,306.05x = 142,115,837,404.67
  5. Step 5: Solve for x
    x = 142,115,837,404.67/430,306.05
  6. Step 6: Final answer
    x = 330,266.88

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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.