Home / 865,991.60-1,298,987.40-582,556.40

Finding the Fourth Proportional to 865,991.60, 1,298,987.40 and 582,556.40

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Solution

The fourth proportional to 865,991.60, 1,298,987.40 and 582,556.40 is: 873,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,991.60 : 1,298,987.40 = 582,556.40 : x
  2. Step 2: Convert to fraction form
    865,991.60/1,298,987.40 = 582,556.40/x
  3. Step 3: Cross multiply
    865,991.60x = 1,298,987.40 × 582,556.40
  4. Step 4: Simplify right side
    865,991.60x = 756,733,423,389.36
  5. Step 5: Solve for x
    x = 756,733,423,389.36/865,991.60
  6. Step 6: Final answer
    x = 873,834.60

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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.