Home / 404,838-558,725.65-235,072.13

Finding the Fourth Proportional to 404,838, 558,725.65 and 235,072.13

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Solution

The fourth proportional to 404,838, 558,725.65 and 235,072.13 is: 324,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,838 : 558,725.65 = 235,072.13 : x
  2. Step 2: Convert to fraction form
    404,838/558,725.65 = 235,072.13/x
  3. Step 3: Cross multiply
    404,838x = 558,725.65 × 235,072.13
  4. Step 4: Simplify right side
    404,838x = 131,340,825,249.83
  5. Step 5: Solve for x
    x = 131,340,825,249.83/404,838
  6. Step 6: Final answer
    x = 324,428.11

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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.