Home / 430,131.12-593,564.04-239,130.60

Finding the Fourth Proportional to 430,131.12, 593,564.04 and 239,130.60

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Solution

The fourth proportional to 430,131.12, 593,564.04 and 239,130.60 is: 329,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,131.12 : 593,564.04 = 239,130.60 : x
  2. Step 2: Convert to fraction form
    430,131.12/593,564.04 = 239,130.60/x
  3. Step 3: Cross multiply
    430,131.12x = 593,564.04 × 239,130.60
  4. Step 4: Simplify right side
    430,131.12x = 141,939,325,023.62
  5. Step 5: Solve for x
    x = 141,939,325,023.62/430,131.12
  6. Step 6: Final answer
    x = 329,990.83

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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.