Home / 1,286,916.11-1,775,885.03-706,126.49

Finding the Fourth Proportional to 1,286,916.11, 1,775,885.03 and 706,126.49

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Solution

The fourth proportional to 1,286,916.11, 1,775,885.03 and 706,126.49 is: 974,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,916.11 : 1,775,885.03 = 706,126.49 : x
  2. Step 2: Convert to fraction form
    1,286,916.11/1,775,885.03 = 706,126.49/x
  3. Step 3: Cross multiply
    1,286,916.11x = 1,775,885.03 × 706,126.49
  4. Step 4: Simplify right side
    1,286,916.11x = 1,253,999,450,467.39
  5. Step 5: Solve for x
    x = 1,253,999,450,467.39/1,286,916.11
  6. Step 6: Final answer
    x = 974,422.06

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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.