Home / 1,505,943.80-2,078,190.88-817,601.95

Finding the Fourth Proportional to 1,505,943.80, 2,078,190.88 and 817,601.95

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Solution

The fourth proportional to 1,505,943.80, 2,078,190.88 and 817,601.95 is: 1,128,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,943.80 : 2,078,190.88 = 817,601.95 : x
  2. Step 2: Convert to fraction form
    1,505,943.80/2,078,190.88 = 817,601.95/x
  3. Step 3: Cross multiply
    1,505,943.80x = 2,078,190.88 × 817,601.95
  4. Step 4: Simplify right side
    1,505,943.80x = 1,699,132,916,513.95
  5. Step 5: Solve for x
    x = 1,699,132,916,513.95/1,505,943.80
  6. Step 6: Final answer
    x = 1,128,284.41

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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.