Home / 816,873.40-1,225,426.76-255,951.64

Finding the Fourth Proportional to 816,873.40, 1,225,426.76 and 255,951.64

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Solution

The fourth proportional to 816,873.40, 1,225,426.76 and 255,951.64 is: 383,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,873.40 : 1,225,426.76 = 255,951.64 : x
  2. Step 2: Convert to fraction form
    816,873.40/1,225,426.76 = 255,951.64/x
  3. Step 3: Cross multiply
    816,873.40x = 1,225,426.76 × 255,951.64
  4. Step 4: Simplify right side
    816,873.40x = 313,649,988,921.89
  5. Step 5: Solve for x
    x = 313,649,988,921.89/816,873.40
  6. Step 6: Final answer
    x = 383,964.01

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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.