Home / 886,840.28-1,330,250.64-255,733.64

Finding the Fourth Proportional to 886,840.28, 1,330,250.64 and 255,733.64

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Solution

The fourth proportional to 886,840.28, 1,330,250.64 and 255,733.64 is: 383,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,840.28 : 1,330,250.64 = 255,733.64 : x
  2. Step 2: Convert to fraction form
    886,840.28/1,330,250.64 = 255,733.64/x
  3. Step 3: Cross multiply
    886,840.28x = 1,330,250.64 × 255,733.64
  4. Step 4: Simplify right side
    886,840.28x = 340,189,838,279.53
  5. Step 5: Solve for x
    x = 340,189,838,279.53/886,840.28
  6. Step 6: Final answer
    x = 383,597.64

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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.