Home / 1,225,204.71-1,836,607.23-685,724.46

Finding the Fourth Proportional to 1,225,204.71, 1,836,607.23 and 685,724.46

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Solution

The fourth proportional to 1,225,204.71, 1,836,607.23 and 685,724.46 is: 1,027,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,204.71 : 1,836,607.23 = 685,724.46 : x
  2. Step 2: Convert to fraction form
    1,225,204.71/1,836,607.23 = 685,724.46/x
  3. Step 3: Cross multiply
    1,225,204.71x = 1,836,607.23 × 685,724.46
  4. Step 4: Simplify right side
    1,225,204.71x = 1,259,406,501,023.85
  5. Step 5: Solve for x
    x = 1,259,406,501,023.85/1,225,204.71
  6. Step 6: Final answer
    x = 1,027,915.16

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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.