Home / 1,045,451.86-1,568,194.99-287,288.59

Finding the Fourth Proportional to 1,045,451.86, 1,568,194.99 and 287,288.59

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Solution

The fourth proportional to 1,045,451.86, 1,568,194.99 and 287,288.59 is: 430,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,451.86 : 1,568,194.99 = 287,288.59 : x
  2. Step 2: Convert to fraction form
    1,045,451.86/1,568,194.99 = 287,288.59/x
  3. Step 3: Cross multiply
    1,045,451.86x = 1,568,194.99 × 287,288.59
  4. Step 4: Simplify right side
    1,045,451.86x = 450,524,527,522.16
  5. Step 5: Solve for x
    x = 450,524,527,522.16/1,045,451.86
  6. Step 6: Final answer
    x = 430,937.61

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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.