Home / 1,164,871.68-1,608,018.89-783,119.90

Finding the Fourth Proportional to 1,164,871.68, 1,608,018.89 and 783,119.90

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Solution

The fourth proportional to 1,164,871.68, 1,608,018.89 and 783,119.90 is: 1,081,038.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,871.68 : 1,608,018.89 = 783,119.90 : x
  2. Step 2: Convert to fraction form
    1,164,871.68/1,608,018.89 = 783,119.90/x
  3. Step 3: Cross multiply
    1,164,871.68x = 1,608,018.89 × 783,119.90
  4. Step 4: Simplify right side
    1,164,871.68x = 1,259,271,583,394.25
  5. Step 5: Solve for x
    x = 1,259,271,583,394.25/1,164,871.68
  6. Step 6: Final answer
    x = 1,081,038.88

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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.