Home / 1,006,738.45-1,389,298.56-554,029.45

Finding the Fourth Proportional to 1,006,738.45, 1,389,298.56 and 554,029.45

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Solution

The fourth proportional to 1,006,738.45, 1,389,298.56 and 554,029.45 is: 764,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,738.45 : 1,389,298.56 = 554,029.45 : x
  2. Step 2: Convert to fraction form
    1,006,738.45/1,389,298.56 = 554,029.45/x
  3. Step 3: Cross multiply
    1,006,738.45x = 1,389,298.56 × 554,029.45
  4. Step 4: Simplify right side
    1,006,738.45x = 769,712,317,082.59
  5. Step 5: Solve for x
    x = 769,712,317,082.59/1,006,738.45
  6. Step 6: Final answer
    x = 764,560.37

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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.