Home / 487,736.44-673,076.32-272,927.07

Finding the Fourth Proportional to 487,736.44, 673,076.32 and 272,927.07

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Solution

The fourth proportional to 487,736.44, 673,076.32 and 272,927.07 is: 376,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,736.44 : 673,076.32 = 272,927.07 : x
  2. Step 2: Convert to fraction form
    487,736.44/673,076.32 = 272,927.07/x
  3. Step 3: Cross multiply
    487,736.44x = 673,076.32 × 272,927.07
  4. Step 4: Simplify right side
    487,736.44x = 183,700,747,221.67
  5. Step 5: Solve for x
    x = 183,700,747,221.67/487,736.44
  6. Step 6: Final answer
    x = 376,639.38

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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.