Home / 476,103.42-657,022.73-272,158.79

Finding the Fourth Proportional to 476,103.42, 657,022.73 and 272,158.79

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Solution

The fourth proportional to 476,103.42, 657,022.73 and 272,158.79 is: 375,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,103.42 : 657,022.73 = 272,158.79 : x
  2. Step 2: Convert to fraction form
    476,103.42/657,022.73 = 272,158.79/x
  3. Step 3: Cross multiply
    476,103.42x = 657,022.73 × 272,158.79
  4. Step 4: Simplify right side
    476,103.42x = 178,814,506,553.39
  5. Step 5: Solve for x
    x = 178,814,506,553.39/476,103.42
  6. Step 6: Final answer
    x = 375,579.13

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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.