Home / 476,203.92-657,191-314,779.04

Finding the Fourth Proportional to 476,203.92, 657,191 and 314,779.04

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Solution

The fourth proportional to 476,203.92, 657,191 and 314,779.04 is: 434,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,203.92 : 657,191 = 314,779.04 : x
  2. Step 2: Convert to fraction form
    476,203.92/657,191 = 314,779.04/x
  3. Step 3: Cross multiply
    476,203.92x = 657,191 × 314,779.04
  4. Step 4: Simplify right side
    476,203.92x = 206,869,952,076.64
  5. Step 5: Solve for x
    x = 206,869,952,076.64/476,203.92
  6. Step 6: Final answer
    x = 434,414.63

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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.