Home / 515,741.66-773,913.69-216,199.22

Finding the Fourth Proportional to 515,741.66, 773,913.69 and 216,199.22

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Solution

The fourth proportional to 515,741.66, 773,913.69 and 216,199.22 is: 324,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,741.66 : 773,913.69 = 216,199.22 : x
  2. Step 2: Convert to fraction form
    515,741.66/773,913.69 = 216,199.22/x
  3. Step 3: Cross multiply
    515,741.66x = 773,913.69 × 216,199.22
  4. Step 4: Simplify right side
    515,741.66x = 167,319,536,125.32
  5. Step 5: Solve for x
    x = 167,319,536,125.32/515,741.66
  6. Step 6: Final answer
    x = 324,425.09

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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.