Home / 404,638.80-607,614.30-272,106.60

Finding the Fourth Proportional to 404,638.80, 607,614.30 and 272,106.60

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Solution

The fourth proportional to 404,638.80, 607,614.30 and 272,106.60 is: 408,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,638.80 : 607,614.30 = 272,106.60 : x
  2. Step 2: Convert to fraction form
    404,638.80/607,614.30 = 272,106.60/x
  3. Step 3: Cross multiply
    404,638.80x = 607,614.30 × 272,106.60
  4. Step 4: Simplify right side
    404,638.80x = 165,335,861,284.38
  5. Step 5: Solve for x
    x = 165,335,861,284.38/404,638.80
  6. Step 6: Final answer
    x = 408,601.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.