Home / 889,362.28-1,227,327.78-526,806.76

Finding the Fourth Proportional to 889,362.28, 1,227,327.78 and 526,806.76

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Solution

The fourth proportional to 889,362.28, 1,227,327.78 and 526,806.76 is: 726,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,362.28 : 1,227,327.78 = 526,806.76 : x
  2. Step 2: Convert to fraction form
    889,362.28/1,227,327.78 = 526,806.76/x
  3. Step 3: Cross multiply
    889,362.28x = 1,227,327.78 × 526,806.76
  4. Step 4: Simplify right side
    889,362.28x = 646,564,571,239.79
  5. Step 5: Solve for x
    x = 646,564,571,239.79/889,362.28
  6. Step 6: Final answer
    x = 726,997.97

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Double scale
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1.5x scale

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.