Home / 476,144.96-657,079.68-272,200.40

Finding the Fourth Proportional to 476,144.96, 657,079.68 and 272,200.40

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Solution

The fourth proportional to 476,144.96, 657,079.68 and 272,200.40 is: 375,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,144.96 : 657,079.68 = 272,200.40 : x
  2. Step 2: Convert to fraction form
    476,144.96/657,079.68 = 272,200.40/x
  3. Step 3: Cross multiply
    476,144.96x = 657,079.68 × 272,200.40
  4. Step 4: Simplify right side
    476,144.96x = 178,857,351,727.87
  5. Step 5: Solve for x
    x = 178,857,351,727.87/476,144.96
  6. Step 6: Final answer
    x = 375,636.34

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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.