Home / 430,209.76-593,665.08-239,219.05

Finding the Fourth Proportional to 430,209.76, 593,665.08 and 239,219.05

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Solution

The fourth proportional to 430,209.76, 593,665.08 and 239,219.05 is: 330,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,209.76 : 593,665.08 = 239,219.05 : x
  2. Step 2: Convert to fraction form
    430,209.76/593,665.08 = 239,219.05/x
  3. Step 3: Cross multiply
    430,209.76x = 593,665.08 × 239,219.05
  4. Step 4: Simplify right side
    430,209.76x = 142,015,996,455.77
  5. Step 5: Solve for x
    x = 142,015,996,455.77/430,209.76
  6. Step 6: Final answer
    x = 330,108.73

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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.