Home / 1,006,721.34-1,389,275.64-554,012.34

Finding the Fourth Proportional to 1,006,721.34, 1,389,275.64 and 554,012.34

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Solution

The fourth proportional to 1,006,721.34, 1,389,275.64 and 554,012.34 is: 764,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,721.34 : 1,389,275.64 = 554,012.34 : x
  2. Step 2: Convert to fraction form
    1,006,721.34/1,389,275.64 = 554,012.34/x
  3. Step 3: Cross multiply
    1,006,721.34x = 1,389,275.64 × 554,012.34
  4. Step 4: Simplify right side
    1,006,721.34x = 769,675,848,221.40
  5. Step 5: Solve for x
    x = 769,675,848,221.40/1,006,721.34
  6. Step 6: Final answer
    x = 764,537.13

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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.