Home / 1,006,720.34-1,389,274.26-554,011.34

Finding the Fourth Proportional to 1,006,720.34, 1,389,274.26 and 554,011.34

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Solution

The fourth proportional to 1,006,720.34, 1,389,274.26 and 554,011.34 is: 764,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,720.34 : 1,389,274.26 = 554,011.34 : x
  2. Step 2: Convert to fraction form
    1,006,720.34/1,389,274.26 = 554,011.34/x
  3. Step 3: Cross multiply
    1,006,720.34x = 1,389,274.26 × 554,011.34
  4. Step 4: Simplify right side
    1,006,720.34x = 769,673,694,410.11
  5. Step 5: Solve for x
    x = 769,673,694,410.11/1,006,720.34
  6. Step 6: Final answer
    x = 764,535.75

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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.