Home / 663,776.22-995,389.82-208,215.50

Finding the Fourth Proportional to 663,776.22, 995,389.82 and 208,215.50

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Solution

The fourth proportional to 663,776.22, 995,389.82 and 208,215.50 is: 312,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,776.22 : 995,389.82 = 208,215.50 : x
  2. Step 2: Convert to fraction form
    663,776.22/995,389.82 = 208,215.50/x
  3. Step 3: Cross multiply
    663,776.22x = 995,389.82 × 208,215.50
  4. Step 4: Simplify right side
    663,776.22x = 207,255,583,048.18
  5. Step 5: Solve for x
    x = 207,255,583,048.18/663,776.22
  6. Step 6: Final answer
    x = 312,237.13

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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.