Home / 1,006,606.37-1,389,116.79-553,897.37

Finding the Fourth Proportional to 1,006,606.37, 1,389,116.79 and 553,897.37

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Solution

The fourth proportional to 1,006,606.37, 1,389,116.79 and 553,897.37 is: 764,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,606.37 : 1,389,116.79 = 553,897.37 : x
  2. Step 2: Convert to fraction form
    1,006,606.37/1,389,116.79 = 553,897.37/x
  3. Step 3: Cross multiply
    1,006,606.37x = 1,389,116.79 × 553,897.37
  4. Step 4: Simplify right side
    1,006,606.37x = 769,428,129,658.26
  5. Step 5: Solve for x
    x = 769,428,129,658.26/1,006,606.37
  6. Step 6: Final answer
    x = 764,378.37

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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.