Home / 1,139,626.40-1,706,546.05-683,930.77

Finding the Fourth Proportional to 1,139,626.40, 1,706,546.05 and 683,930.77

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Solution

The fourth proportional to 1,139,626.40, 1,706,546.05 and 683,930.77 is: 1,024,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,626.40 : 1,706,546.05 = 683,930.77 : x
  2. Step 2: Convert to fraction form
    1,139,626.40/1,706,546.05 = 683,930.77/x
  3. Step 3: Cross multiply
    1,139,626.40x = 1,706,546.05 × 683,930.77
  4. Step 4: Simplify right side
    1,139,626.40x = 1,167,159,348,040.77
  5. Step 5: Solve for x
    x = 1,167,159,348,040.77/1,139,626.40
  6. Step 6: Final answer
    x = 1,024,159.63

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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.