Home / 419,005.25-578,240.36-237,724.82

Finding the Fourth Proportional to 419,005.25, 578,240.36 and 237,724.82

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Solution

The fourth proportional to 419,005.25, 578,240.36 and 237,724.82 is: 328,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,005.25 : 578,240.36 = 237,724.82 : x
  2. Step 2: Convert to fraction form
    419,005.25/578,240.36 = 237,724.82/x
  3. Step 3: Cross multiply
    419,005.25x = 578,240.36 × 237,724.82
  4. Step 4: Simplify right side
    419,005.25x = 137,462,081,417.91
  5. Step 5: Solve for x
    x = 137,462,081,417.91/419,005.25
  6. Step 6: Final answer
    x = 328,067.69

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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.