Home / 1,098,756.44-1,515,748.95-711,460.61

Finding the Fourth Proportional to 1,098,756.44, 1,515,748.95 and 711,460.61

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Solution

The fourth proportional to 1,098,756.44, 1,515,748.95 and 711,460.61 is: 981,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,756.44 : 1,515,748.95 = 711,460.61 : x
  2. Step 2: Convert to fraction form
    1,098,756.44/1,515,748.95 = 711,460.61/x
  3. Step 3: Cross multiply
    1,098,756.44x = 1,515,748.95 × 711,460.61
  4. Step 4: Simplify right side
    1,098,756.44x = 1,078,395,672,573.86
  5. Step 5: Solve for x
    x = 1,078,395,672,573.86/1,098,756.44
  6. Step 6: Final answer
    x = 981,469.26

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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.