Home / 438,968.87-657,945.02-201,813.83

Finding the Fourth Proportional to 438,968.87, 657,945.02 and 201,813.83

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Solution

The fourth proportional to 438,968.87, 657,945.02 and 201,813.83 is: 302,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,968.87 : 657,945.02 = 201,813.83 : x
  2. Step 2: Convert to fraction form
    438,968.87/657,945.02 = 201,813.83/x
  3. Step 3: Cross multiply
    438,968.87x = 657,945.02 × 201,813.83
  4. Step 4: Simplify right side
    438,968.87x = 132,782,400,116.83
  5. Step 5: Solve for x
    x = 132,782,400,116.83/438,968.87
  6. Step 6: Final answer
    x = 302,487.06

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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.