Home / 476,163.09-657,113.13-261,323.15

Finding the Fourth Proportional to 476,163.09, 657,113.13 and 261,323.15

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Solution

The fourth proportional to 476,163.09, 657,113.13 and 261,323.15 is: 360,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,163.09 : 657,113.13 = 261,323.15 : x
  2. Step 2: Convert to fraction form
    476,163.09/657,113.13 = 261,323.15/x
  3. Step 3: Cross multiply
    476,163.09x = 657,113.13 × 261,323.15
  4. Step 4: Simplify right side
    476,163.09x = 171,718,869,752.39
  5. Step 5: Solve for x
    x = 171,718,869,752.39/476,163.09
  6. Step 6: Final answer
    x = 360,630.37

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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.