Home / 487,972.16-673,248.13-273,078.08

Finding the Fourth Proportional to 487,972.16, 673,248.13 and 273,078.08

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Solution

The fourth proportional to 487,972.16, 673,248.13 and 273,078.08 is: 376,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,972.16 : 673,248.13 = 273,078.08 : x
  2. Step 2: Convert to fraction form
    487,972.16/673,248.13 = 273,078.08/x
  3. Step 3: Cross multiply
    487,972.16x = 673,248.13 × 273,078.08
  4. Step 4: Simplify right side
    487,972.16x = 183,849,302,655.06
  5. Step 5: Solve for x
    x = 183,849,302,655.06/487,972.16
  6. Step 6: Final answer
    x = 376,761.87

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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.