Home / 666,127.92-919,278.39-364,321.92

Finding the Fourth Proportional to 666,127.92, 919,278.39 and 364,321.92

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Solution

The fourth proportional to 666,127.92, 919,278.39 and 364,321.92 is: 502,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,127.92 : 919,278.39 = 364,321.92 : x
  2. Step 2: Convert to fraction form
    666,127.92/919,278.39 = 364,321.92/x
  3. Step 3: Cross multiply
    666,127.92x = 919,278.39 × 364,321.92
  4. Step 4: Simplify right side
    666,127.92x = 334,913,268,059.31
  5. Step 5: Solve for x
    x = 334,913,268,059.31/666,127.92
  6. Step 6: Final answer
    x = 502,776.21

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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.