Home / 498,976.96-688,588.45-269,534.23

Finding the Fourth Proportional to 498,976.96, 688,588.45 and 269,534.23

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Solution

The fourth proportional to 498,976.96, 688,588.45 and 269,534.23 is: 371,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,976.96 : 688,588.45 = 269,534.23 : x
  2. Step 2: Convert to fraction form
    498,976.96/688,588.45 = 269,534.23/x
  3. Step 3: Cross multiply
    498,976.96x = 688,588.45 × 269,534.23
  4. Step 4: Simplify right side
    498,976.96x = 185,598,157,657.64
  5. Step 5: Solve for x
    x = 185,598,157,657.64/498,976.96
  6. Step 6: Final answer
    x = 371,957.37

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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.