Home / 1,438,949.58-1,985,754.78-785,576.67

Finding the Fourth Proportional to 1,438,949.58, 1,985,754.78 and 785,576.67

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Solution

The fourth proportional to 1,438,949.58, 1,985,754.78 and 785,576.67 is: 1,084,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,949.58 : 1,985,754.78 = 785,576.67 : x
  2. Step 2: Convert to fraction form
    1,438,949.58/1,985,754.78 = 785,576.67/x
  3. Step 3: Cross multiply
    1,438,949.58x = 1,985,754.78 × 785,576.67
  4. Step 4: Simplify right side
    1,438,949.58x = 1,559,962,627,508.98
  5. Step 5: Solve for x
    x = 1,559,962,627,508.98/1,438,949.58
  6. Step 6: Final answer
    x = 1,084,098.18

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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.