Home / 457,867.80-631,129.34-360,914.45

Finding the Fourth Proportional to 457,867.80, 631,129.34 and 360,914.45

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Solution

The fourth proportional to 457,867.80, 631,129.34 and 360,914.45 is: 497,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,867.80 : 631,129.34 = 360,914.45 : x
  2. Step 2: Convert to fraction form
    457,867.80/631,129.34 = 360,914.45/x
  3. Step 3: Cross multiply
    457,867.80x = 631,129.34 × 360,914.45
  4. Step 4: Simplify right side
    457,867.80x = 227,783,696,371.60
  5. Step 5: Solve for x
    x = 227,783,696,371.60/457,867.80
  6. Step 6: Final answer
    x = 497,487.91

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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.