Home / 1,387,628.95-2,081,798.12-534,471.59

Finding the Fourth Proportional to 1,387,628.95, 2,081,798.12 and 534,471.59

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Solution

The fourth proportional to 1,387,628.95, 2,081,798.12 and 534,471.59 is: 801,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,628.95 : 2,081,798.12 = 534,471.59 : x
  2. Step 2: Convert to fraction form
    1,387,628.95/2,081,798.12 = 534,471.59/x
  3. Step 3: Cross multiply
    1,387,628.95x = 2,081,798.12 × 534,471.59
  4. Step 4: Simplify right side
    1,387,628.95x = 1,112,661,952,692.66
  5. Step 5: Solve for x
    x = 1,112,661,952,692.66/1,387,628.95
  6. Step 6: Final answer
    x = 801,844.01

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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.