Home / 476,728.45-657,724.65-269,968.52

Finding the Fourth Proportional to 476,728.45, 657,724.65 and 269,968.52

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Solution

The fourth proportional to 476,728.45, 657,724.65 and 269,968.52 is: 372,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,728.45 : 657,724.65 = 269,968.52 : x
  2. Step 2: Convert to fraction form
    476,728.45/657,724.65 = 269,968.52/x
  3. Step 3: Cross multiply
    476,728.45x = 657,724.65 × 269,968.52
  4. Step 4: Simplify right side
    476,728.45x = 177,564,950,328.02
  5. Step 5: Solve for x
    x = 177,564,950,328.02/476,728.45
  6. Step 6: Final answer
    x = 372,465.60

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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.