Home / 1,601,288.28-2,209,757.81-912,938.22

Finding the Fourth Proportional to 1,601,288.28, 2,209,757.81 and 912,938.22

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Solution

The fourth proportional to 1,601,288.28, 2,209,757.81 and 912,938.22 is: 1,259,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,288.28 : 2,209,757.81 = 912,938.22 : x
  2. Step 2: Convert to fraction form
    1,601,288.28/2,209,757.81 = 912,938.22/x
  3. Step 3: Cross multiply
    1,601,288.28x = 2,209,757.81 × 912,938.22
  4. Step 4: Simplify right side
    1,601,288.28x = 2,017,372,357,127.81
  5. Step 5: Solve for x
    x = 2,017,372,357,127.81/1,601,288.28
  6. Step 6: Final answer
    x = 1,259,843.33

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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.