Home / 1,505,937.39-2,078,182.05-817,595.60

Finding the Fourth Proportional to 1,505,937.39, 2,078,182.05 and 817,595.60

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Solution

The fourth proportional to 1,505,937.39, 2,078,182.05 and 817,595.60 is: 1,128,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,937.39 : 2,078,182.05 = 817,595.60 : x
  2. Step 2: Convert to fraction form
    1,505,937.39/2,078,182.05 = 817,595.60/x
  3. Step 3: Cross multiply
    1,505,937.39x = 2,078,182.05 × 817,595.60
  4. Step 4: Simplify right side
    1,505,937.39x = 1,699,112,489,688.07
  5. Step 5: Solve for x
    x = 1,699,112,489,688.07/1,505,937.39
  6. Step 6: Final answer
    x = 1,128,275.65

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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.