Home / 476,161.83-657,111.33-261,321.89

Finding the Fourth Proportional to 476,161.83, 657,111.33 and 261,321.89

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Solution

The fourth proportional to 476,161.83, 657,111.33 and 261,321.89 is: 360,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,161.83 : 657,111.33 = 261,321.89 : x
  2. Step 2: Convert to fraction form
    476,161.83/657,111.33 = 261,321.89/x
  3. Step 3: Cross multiply
    476,161.83x = 657,111.33 × 261,321.89
  4. Step 4: Simplify right side
    476,161.83x = 171,717,571,410.46
  5. Step 5: Solve for x
    x = 171,717,571,410.46/476,161.83
  6. Step 6: Final answer
    x = 360,628.59

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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.