Home / 1,673,888.70-2,309,939.19-909,961.50

Finding the Fourth Proportional to 1,673,888.70, 2,309,939.19 and 909,961.50

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Solution

The fourth proportional to 1,673,888.70, 2,309,939.19 and 909,961.50 is: 1,255,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,888.70 : 2,309,939.19 = 909,961.50 : x
  2. Step 2: Convert to fraction form
    1,673,888.70/2,309,939.19 = 909,961.50/x
  3. Step 3: Cross multiply
    1,673,888.70x = 2,309,939.19 × 909,961.50
  4. Step 4: Simplify right side
    1,673,888.70x = 2,101,955,730,241.19
  5. Step 5: Solve for x
    x = 2,101,955,730,241.19/1,673,888.70
  6. Step 6: Final answer
    x = 1,255,732.07

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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.