Home / 560,186.33-839,097.90-380,382.12

Finding the Fourth Proportional to 560,186.33, 839,097.90 and 380,382.12

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Solution

The fourth proportional to 560,186.33, 839,097.90 and 380,382.12 is: 569,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,186.33 : 839,097.90 = 380,382.12 : x
  2. Step 2: Convert to fraction form
    560,186.33/839,097.90 = 380,382.12/x
  3. Step 3: Cross multiply
    560,186.33x = 839,097.90 × 380,382.12
  4. Step 4: Simplify right side
    560,186.33x = 319,177,838,089.55
  5. Step 5: Solve for x
    x = 319,177,838,089.55/560,186.33
  6. Step 6: Final answer
    x = 569,770.85

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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.