Home / 430,147.20-593,586.08-239,146.56

Finding the Fourth Proportional to 430,147.20, 593,586.08 and 239,146.56

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Solution

The fourth proportional to 430,147.20, 593,586.08 and 239,146.56 is: 330,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,147.20 : 593,586.08 = 239,146.56 : x
  2. Step 2: Convert to fraction form
    430,147.20/593,586.08 = 239,146.56/x
  3. Step 3: Cross multiply
    430,147.20x = 593,586.08 × 239,146.56
  4. Step 4: Simplify right side
    430,147.20x = 141,954,069,095.89
  5. Step 5: Solve for x
    x = 141,954,069,095.89/430,147.20
  6. Step 6: Final answer
    x = 330,012.77

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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.