Home / 927,842.34-1,280,453.95-885,327.06

Finding the Fourth Proportional to 927,842.34, 1,280,453.95 and 885,327.06

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Solution

The fourth proportional to 927,842.34, 1,280,453.95 and 885,327.06 is: 1,221,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,842.34 : 1,280,453.95 = 885,327.06 : x
  2. Step 2: Convert to fraction form
    927,842.34/1,280,453.95 = 885,327.06/x
  3. Step 3: Cross multiply
    927,842.34x = 1,280,453.95 × 885,327.06
  4. Step 4: Simplify right side
    927,842.34x = 1,133,620,526,592.25
  5. Step 5: Solve for x
    x = 1,133,620,526,592.25/927,842.34
  6. Step 6: Final answer
    x = 1,221,781.41

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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.