Home / 659,236.14-988,527.06-209,898.47

Finding the Fourth Proportional to 659,236.14, 988,527.06 and 209,898.47

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Solution

The fourth proportional to 659,236.14, 988,527.06 and 209,898.47 is: 314,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,236.14 : 988,527.06 = 209,898.47 : x
  2. Step 2: Convert to fraction form
    659,236.14/988,527.06 = 209,898.47/x
  3. Step 3: Cross multiply
    659,236.14x = 988,527.06 × 209,898.47
  4. Step 4: Simplify right side
    659,236.14x = 207,490,319,918.92
  5. Step 5: Solve for x
    x = 207,490,319,918.92/659,236.14
  6. Step 6: Final answer
    x = 314,743.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.