Home / 653,724.63-902,041.79-367,189.83

Finding the Fourth Proportional to 653,724.63, 902,041.79 and 367,189.83

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Solution

The fourth proportional to 653,724.63, 902,041.79 and 367,189.83 is: 506,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,724.63 : 902,041.79 = 367,189.83 : x
  2. Step 2: Convert to fraction form
    653,724.63/902,041.79 = 367,189.83/x
  3. Step 3: Cross multiply
    653,724.63x = 902,041.79 × 367,189.83
  4. Step 4: Simplify right side
    653,724.63x = 331,220,569,687.05
  5. Step 5: Solve for x
    x = 331,220,569,687.05/653,724.63
  6. Step 6: Final answer
    x = 506,666.81

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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.