Home / 836,864.80-1,255,239.60-268,237.60

Finding the Fourth Proportional to 836,864.80, 1,255,239.60 and 268,237.60

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Solution

The fourth proportional to 836,864.80, 1,255,239.60 and 268,237.60 is: 402,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,864.80 : 1,255,239.60 = 268,237.60 : x
  2. Step 2: Convert to fraction form
    836,864.80/1,255,239.60 = 268,237.60/x
  3. Step 3: Cross multiply
    836,864.80x = 1,255,239.60 × 268,237.60
  4. Step 4: Simplify right side
    836,864.80x = 336,702,457,728.96
  5. Step 5: Solve for x
    x = 336,702,457,728.96/836,864.80
  6. Step 6: Final answer
    x = 402,337.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.