Home / 476,212.30-657,152.40-261,356.02

Finding the Fourth Proportional to 476,212.30, 657,152.40 and 261,356.02

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Solution

The fourth proportional to 476,212.30, 657,152.40 and 261,356.02 is: 360,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,212.30 : 657,152.40 = 261,356.02 : x
  2. Step 2: Convert to fraction form
    476,212.30/657,152.40 = 261,356.02/x
  3. Step 3: Cross multiply
    476,212.30x = 657,152.40 × 261,356.02
  4. Step 4: Simplify right side
    476,212.30x = 171,750,735,797.45
  5. Step 5: Solve for x
    x = 171,750,735,797.45/476,212.30
  6. Step 6: Final answer
    x = 360,660.02

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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.