Home / 1,413,439.70-2,120,397.68-654,973.52

Finding the Fourth Proportional to 1,413,439.70, 2,120,397.68 and 654,973.52

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Solution

The fourth proportional to 1,413,439.70, 2,120,397.68 and 654,973.52 is: 982,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,439.70 : 2,120,397.68 = 654,973.52 : x
  2. Step 2: Convert to fraction form
    1,413,439.70/2,120,397.68 = 654,973.52/x
  3. Step 3: Cross multiply
    1,413,439.70x = 2,120,397.68 × 654,973.52
  4. Step 4: Simplify right side
    1,413,439.70x = 1,388,804,323,304.88
  5. Step 5: Solve for x
    x = 1,388,804,323,304.88/1,413,439.70
  6. Step 6: Final answer
    x = 982,570.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.