Home / 385,023.35-531,305.25-223,866.97

Finding the Fourth Proportional to 385,023.35, 531,305.25 and 223,866.97

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Solution

The fourth proportional to 385,023.35, 531,305.25 and 223,866.97 is: 308,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,023.35 : 531,305.25 = 223,866.97 : x
  2. Step 2: Convert to fraction form
    385,023.35/531,305.25 = 223,866.97/x
  3. Step 3: Cross multiply
    385,023.35x = 531,305.25 × 223,866.97
  4. Step 4: Simplify right side
    385,023.35x = 118,941,696,462.59
  5. Step 5: Solve for x
    x = 118,941,696,462.59/385,023.35
  6. Step 6: Final answer
    x = 308,920.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.