Home / 1,040,492.72-1,560,864.10-366,434.76

Finding the Fourth Proportional to 1,040,492.72, 1,560,864.10 and 366,434.76

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Solution

The fourth proportional to 1,040,492.72, 1,560,864.10 and 366,434.76 is: 549,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,492.72 : 1,560,864.10 = 366,434.76 : x
  2. Step 2: Convert to fraction form
    1,040,492.72/1,560,864.10 = 366,434.76/x
  3. Step 3: Cross multiply
    1,040,492.72x = 1,560,864.10 × 366,434.76
  4. Step 4: Simplify right side
    1,040,492.72x = 571,954,861,876.12
  5. Step 5: Solve for x
    x = 571,954,861,876.12/1,040,492.72
  6. Step 6: Final answer
    x = 549,696.17

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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.