Home / 929,816.40-1,282,984.48-521,935.44

Finding the Fourth Proportional to 929,816.40, 1,282,984.48 and 521,935.44

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Solution

The fourth proportional to 929,816.40, 1,282,984.48 and 521,935.44 is: 720,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,816.40 : 1,282,984.48 = 521,935.44 : x
  2. Step 2: Convert to fraction form
    929,816.40/1,282,984.48 = 521,935.44/x
  3. Step 3: Cross multiply
    929,816.40x = 1,282,984.48 × 521,935.44
  4. Step 4: Simplify right side
    929,816.40x = 669,635,069,081.97
  5. Step 5: Solve for x
    x = 669,635,069,081.97/929,816.40
  6. Step 6: Final answer
    x = 720,179.89

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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.