Home / 1,356,634.71-2,034,952.11-515,186.46

Finding the Fourth Proportional to 1,356,634.71, 2,034,952.11 and 515,186.46

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Solution

The fourth proportional to 1,356,634.71, 2,034,952.11 and 515,186.46 is: 772,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,634.71 : 2,034,952.11 = 515,186.46 : x
  2. Step 2: Convert to fraction form
    1,356,634.71/2,034,952.11 = 515,186.46/x
  3. Step 3: Cross multiply
    1,356,634.71x = 2,034,952.11 × 515,186.46
  4. Step 4: Simplify right side
    1,356,634.71x = 1,048,379,773,820.43
  5. Step 5: Solve for x
    x = 1,048,379,773,820.43/1,356,634.71
  6. Step 6: Final answer
    x = 772,779.71

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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.