Home / 476,225.51-657,231.55-261,401.97

Finding the Fourth Proportional to 476,225.51, 657,231.55 and 261,401.97

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Solution

The fourth proportional to 476,225.51, 657,231.55 and 261,401.97 is: 360,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,225.51 : 657,231.55 = 261,401.97 : x
  2. Step 2: Convert to fraction form
    476,225.51/657,231.55 = 261,401.97/x
  3. Step 3: Cross multiply
    476,225.51x = 657,231.55 × 261,401.97
  4. Step 4: Simplify right side
    476,225.51x = 171,801,621,262.65
  5. Step 5: Solve for x
    x = 171,801,621,262.65/476,225.51
  6. Step 6: Final answer
    x = 360,756.86

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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.