Home / 521,111.07-781,729.65-184,082.76

Finding the Fourth Proportional to 521,111.07, 781,729.65 and 184,082.76

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Solution

The fourth proportional to 521,111.07, 781,729.65 and 184,082.76 is: 276,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,111.07 : 781,729.65 = 184,082.76 : x
  2. Step 2: Convert to fraction form
    521,111.07/781,729.65 = 184,082.76/x
  3. Step 3: Cross multiply
    521,111.07x = 781,729.65 × 184,082.76
  4. Step 4: Simplify right side
    521,111.07x = 143,902,946,716.77
  5. Step 5: Solve for x
    x = 143,902,946,716.77/521,111.07
  6. Step 6: Final answer
    x = 276,146.40

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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.