Home / 1,739,640.87-2,609,836.07-525,115.76

Finding the Fourth Proportional to 1,739,640.87, 2,609,836.07 and 525,115.76

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Solution

The fourth proportional to 1,739,640.87, 2,609,836.07 and 525,115.76 is: 787,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,640.87 : 2,609,836.07 = 525,115.76 : x
  2. Step 2: Convert to fraction form
    1,739,640.87/2,609,836.07 = 525,115.76/x
  3. Step 3: Cross multiply
    1,739,640.87x = 2,609,836.07 × 525,115.76
  4. Step 4: Simplify right side
    1,739,640.87x = 1,370,466,044,848.87
  5. Step 5: Solve for x
    x = 1,370,466,044,848.87/1,739,640.87
  6. Step 6: Final answer
    x = 787,786.76

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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.