Home / 407,209.05-561,996.95-235,168.85

Finding the Fourth Proportional to 407,209.05, 561,996.95 and 235,168.85

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Solution

The fourth proportional to 407,209.05, 561,996.95 and 235,168.85 is: 324,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,209.05 : 561,996.95 = 235,168.85 : x
  2. Step 2: Convert to fraction form
    407,209.05/561,996.95 = 235,168.85/x
  3. Step 3: Cross multiply
    407,209.05x = 561,996.95 × 235,168.85
  4. Step 4: Simplify right side
    407,209.05x = 132,164,176,664.16
  5. Step 5: Solve for x
    x = 132,164,176,664.16/407,209.05
  6. Step 6: Final answer
    x = 324,561.00

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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.