Home / 430,213.10-593,669.66-239,222.39

Finding the Fourth Proportional to 430,213.10, 593,669.66 and 239,222.39

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Solution

The fourth proportional to 430,213.10, 593,669.66 and 239,222.39 is: 330,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,213.10 : 593,669.66 = 239,222.39 : x
  2. Step 2: Convert to fraction form
    430,213.10/593,669.66 = 239,222.39/x
  3. Step 3: Cross multiply
    430,213.10x = 593,669.66 × 239,222.39
  4. Step 4: Simplify right side
    430,213.10x = 142,019,070,771.23
  5. Step 5: Solve for x
    x = 142,019,070,771.23/430,213.10
  6. Step 6: Final answer
    x = 330,113.31

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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.