Home / 1,705,469.58-2,556,854.91-640,393.02

Finding the Fourth Proportional to 1,705,469.58, 2,556,854.91 and 640,393.02

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Solution

The fourth proportional to 1,705,469.58, 2,556,854.91 and 640,393.02 is: 960,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,469.58 : 2,556,854.91 = 640,393.02 : x
  2. Step 2: Convert to fraction form
    1,705,469.58/2,556,854.91 = 640,393.02/x
  3. Step 3: Cross multiply
    1,705,469.58x = 2,556,854.91 × 640,393.02
  4. Step 4: Simplify right side
    1,705,469.58x = 1,637,392,037,516.73
  5. Step 5: Solve for x
    x = 1,637,392,037,516.73/1,705,469.58
  6. Step 6: Final answer
    x = 960,082.82

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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.