Home / 1,086,539.52-1,628,724.24-545,141.76

Finding the Fourth Proportional to 1,086,539.52, 1,628,724.24 and 545,141.76

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Solution

The fourth proportional to 1,086,539.52, 1,628,724.24 and 545,141.76 is: 817,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,539.52 : 1,628,724.24 = 545,141.76 : x
  2. Step 2: Convert to fraction form
    1,086,539.52/1,628,724.24 = 545,141.76/x
  3. Step 3: Cross multiply
    1,086,539.52x = 1,628,724.24 × 545,141.76
  4. Step 4: Simplify right side
    1,086,539.52x = 887,885,598,748.26
  5. Step 5: Solve for x
    x = 887,885,598,748.26/1,086,539.52
  6. Step 6: Final answer
    x = 817,168.25

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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.