Home / 859,898.03-1,186,725.43-515,747.15

Finding the Fourth Proportional to 859,898.03, 1,186,725.43 and 515,747.15

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Solution

The fourth proportional to 859,898.03, 1,186,725.43 and 515,747.15 is: 711,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,898.03 : 1,186,725.43 = 515,747.15 : x
  2. Step 2: Convert to fraction form
    859,898.03/1,186,725.43 = 515,747.15/x
  3. Step 3: Cross multiply
    859,898.03x = 1,186,725.43 × 515,747.15
  4. Step 4: Simplify right side
    859,898.03x = 612,050,257,516.30
  5. Step 5: Solve for x
    x = 612,050,257,516.30/859,898.03
  6. Step 6: Final answer
    x = 711,770.74

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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.