Home / 1,628,905.30-2,247,889.60-903,751.28

Finding the Fourth Proportional to 1,628,905.30, 2,247,889.60 and 903,751.28

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Solution

The fourth proportional to 1,628,905.30, 2,247,889.60 and 903,751.28 is: 1,247,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,905.30 : 2,247,889.60 = 903,751.28 : x
  2. Step 2: Convert to fraction form
    1,628,905.30/2,247,889.60 = 903,751.28/x
  3. Step 3: Cross multiply
    1,628,905.30x = 2,247,889.60 × 903,751.28
  4. Step 4: Simplify right side
    1,628,905.30x = 2,031,533,103,298.69
  5. Step 5: Solve for x
    x = 2,031,533,103,298.69/1,628,905.30
  6. Step 6: Final answer
    x = 1,247,176.93

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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.