Home / 1,257,728.04-1,886,660.91-359,099.46

Finding the Fourth Proportional to 1,257,728.04, 1,886,660.91 and 359,099.46

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Solution

The fourth proportional to 1,257,728.04, 1,886,660.91 and 359,099.46 is: 538,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,728.04 : 1,886,660.91 = 359,099.46 : x
  2. Step 2: Convert to fraction form
    1,257,728.04/1,886,660.91 = 359,099.46/x
  3. Step 3: Cross multiply
    1,257,728.04x = 1,886,660.91 × 359,099.46
  4. Step 4: Simplify right side
    1,257,728.04x = 677,498,913,984.11
  5. Step 5: Solve for x
    x = 677,498,913,984.11/1,257,728.04
  6. Step 6: Final answer
    x = 538,668.85

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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.