Home / 476,146.96-657,082.44-272,202.40

Finding the Fourth Proportional to 476,146.96, 657,082.44 and 272,202.40

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Solution

The fourth proportional to 476,146.96, 657,082.44 and 272,202.40 is: 375,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,146.96 : 657,082.44 = 272,202.40 : x
  2. Step 2: Convert to fraction form
    476,146.96/657,082.44 = 272,202.40/x
  3. Step 3: Cross multiply
    476,146.96x = 657,082.44 × 272,202.40
  4. Step 4: Simplify right side
    476,146.96x = 178,859,417,165.86
  5. Step 5: Solve for x
    x = 178,859,417,165.86/476,146.96
  6. Step 6: Final answer
    x = 375,639.10

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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.