Home / 936,320.37-1,403,890.05-515,891.49

Finding the Fourth Proportional to 936,320.37, 1,403,890.05 and 515,891.49

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Solution

The fourth proportional to 936,320.37, 1,403,890.05 and 515,891.49 is: 773,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,320.37 : 1,403,890.05 = 515,891.49 : x
  2. Step 2: Convert to fraction form
    936,320.37/1,403,890.05 = 515,891.49/x
  3. Step 3: Cross multiply
    936,320.37x = 1,403,890.05 × 515,891.49
  4. Step 4: Simplify right side
    936,320.37x = 724,254,929,690.68
  5. Step 5: Solve for x
    x = 724,254,929,690.68/936,320.37
  6. Step 6: Final answer
    x = 773,511.88

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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.