Home / 404,918.38-558,762.87-243,825.58

Finding the Fourth Proportional to 404,918.38, 558,762.87 and 243,825.58

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Solution

The fourth proportional to 404,918.38, 558,762.87 and 243,825.58 is: 336,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,918.38 : 558,762.87 = 243,825.58 : x
  2. Step 2: Convert to fraction form
    404,918.38/558,762.87 = 243,825.58/x
  3. Step 3: Cross multiply
    404,918.38x = 558,762.87 × 243,825.58
  4. Step 4: Simplify right side
    404,918.38x = 136,240,680,860.22
  5. Step 5: Solve for x
    x = 136,240,680,860.22/404,918.38
  6. Step 6: Final answer
    x = 336,464.55

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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.