Home / 381,227.28-526,094.16-211,461.40

Finding the Fourth Proportional to 381,227.28, 526,094.16 and 211,461.40

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Solution

The fourth proportional to 381,227.28, 526,094.16 and 211,461.40 is: 291,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,227.28 : 526,094.16 = 211,461.40 : x
  2. Step 2: Convert to fraction form
    381,227.28/526,094.16 = 211,461.40/x
  3. Step 3: Cross multiply
    381,227.28x = 526,094.16 × 211,461.40
  4. Step 4: Simplify right side
    381,227.28x = 111,248,607,605.42
  5. Step 5: Solve for x
    x = 111,248,607,605.42/381,227.28
  6. Step 6: Final answer
    x = 291,817.02

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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.