Home / 668,928.60-923,116.62-362,997.26

Finding the Fourth Proportional to 668,928.60, 923,116.62 and 362,997.26

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Solution

The fourth proportional to 668,928.60, 923,116.62 and 362,997.26 is: 500,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,928.60 : 923,116.62 = 362,997.26 : x
  2. Step 2: Convert to fraction form
    668,928.60/923,116.62 = 362,997.26/x
  3. Step 3: Cross multiply
    668,928.60x = 923,116.62 × 362,997.26
  4. Step 4: Simplify right side
    668,928.60x = 335,088,803,720.46
  5. Step 5: Solve for x
    x = 335,088,803,720.46/668,928.60
  6. Step 6: Final answer
    x = 500,933.59

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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.