Home / 1,786,618.32-2,678,351.76-663,900

Finding the Fourth Proportional to 1,786,618.32, 2,678,351.76 and 663,900

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Solution

The fourth proportional to 1,786,618.32, 2,678,351.76 and 663,900 is: 995,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,618.32 : 2,678,351.76 = 663,900 : x
  2. Step 2: Convert to fraction form
    1,786,618.32/2,678,351.76 = 663,900/x
  3. Step 3: Cross multiply
    1,786,618.32x = 2,678,351.76 × 663,900
  4. Step 4: Simplify right side
    1,786,618.32x = 1,778,157,733,464.00
  5. Step 5: Solve for x
    x = 1,778,157,733,464.00/1,786,618.32
  6. Step 6: Final answer
    x = 995,264.47

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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.