Home / 824,565.20-1,236,847.80-263,656.40

Finding the Fourth Proportional to 824,565.20, 1,236,847.80 and 263,656.40

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Solution

The fourth proportional to 824,565.20, 1,236,847.80 and 263,656.40 is: 395,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,565.20 : 1,236,847.80 = 263,656.40 : x
  2. Step 2: Convert to fraction form
    824,565.20/1,236,847.80 = 263,656.40/x
  3. Step 3: Cross multiply
    824,565.20x = 1,236,847.80 × 263,656.40
  4. Step 4: Simplify right side
    824,565.20x = 326,102,838,295.92
  5. Step 5: Solve for x
    x = 326,102,838,295.92/824,565.20
  6. Step 6: Final answer
    x = 395,484.60

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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.