Home / 487,972.41-673,248.47-273,078.33

Finding the Fourth Proportional to 487,972.41, 673,248.47 and 273,078.33

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Solution

The fourth proportional to 487,972.41, 673,248.47 and 273,078.33 is: 376,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,972.41 : 673,248.47 = 273,078.33 : x
  2. Step 2: Convert to fraction form
    487,972.41/673,248.47 = 273,078.33/x
  3. Step 3: Cross multiply
    487,972.41x = 673,248.47 × 273,078.33
  4. Step 4: Simplify right side
    487,972.41x = 183,849,564,496.41
  5. Step 5: Solve for x
    x = 183,849,564,496.41/487,972.41
  6. Step 6: Final answer
    x = 376,762.22

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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.