Home / 859,618.30-1,289,427.45-461,037.55

Finding the Fourth Proportional to 859,618.30, 1,289,427.45 and 461,037.55

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Solution

The fourth proportional to 859,618.30, 1,289,427.45 and 461,037.55 is: 691,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,618.30 : 1,289,427.45 = 461,037.55 : x
  2. Step 2: Convert to fraction form
    859,618.30/1,289,427.45 = 461,037.55/x
  3. Step 3: Cross multiply
    859,618.30x = 1,289,427.45 × 461,037.55
  4. Step 4: Simplify right side
    859,618.30x = 594,474,472,450.75
  5. Step 5: Solve for x
    x = 594,474,472,450.75/859,618.30
  6. Step 6: Final answer
    x = 691,556.33

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Double scale
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1.5x scale

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.