Home / 487,998.16-673,437.31-273,138.17

Finding the Fourth Proportional to 487,998.16, 673,437.31 and 273,138.17

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Solution

The fourth proportional to 487,998.16, 673,437.31 and 273,138.17 is: 376,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,998.16 : 673,437.31 = 273,138.17 : x
  2. Step 2: Convert to fraction form
    487,998.16/673,437.31 = 273,138.17/x
  3. Step 3: Cross multiply
    487,998.16x = 673,437.31 × 273,138.17
  4. Step 4: Simplify right side
    487,998.16x = 183,941,430,413.09
  5. Step 5: Solve for x
    x = 183,941,430,413.09/487,998.16
  6. Step 6: Final answer
    x = 376,930.58

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1.5x scale

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.