Home / 865,759.22-1,298,811.07-266,694.83

Finding the Fourth Proportional to 865,759.22, 1,298,811.07 and 266,694.83

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Solution

The fourth proportional to 865,759.22, 1,298,811.07 and 266,694.83 is: 400,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,759.22 : 1,298,811.07 = 266,694.83 : x
  2. Step 2: Convert to fraction form
    865,759.22/1,298,811.07 = 266,694.83/x
  3. Step 3: Cross multiply
    865,759.22x = 1,298,811.07 × 266,694.83
  4. Step 4: Simplify right side
    865,759.22x = 346,386,196,225.62
  5. Step 5: Solve for x
    x = 346,386,196,225.62/865,759.22
  6. Step 6: Final answer
    x = 400,095.30

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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.