Home / 824,044.60-1,235,951.70-263,135.80

Finding the Fourth Proportional to 824,044.60, 1,235,951.70 and 263,135.80

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Solution

The fourth proportional to 824,044.60, 1,235,951.70 and 263,135.80 is: 394,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,044.60 : 1,235,951.70 = 263,135.80 : x
  2. Step 2: Convert to fraction form
    824,044.60/1,235,951.70 = 263,135.80/x
  3. Step 3: Cross multiply
    824,044.60x = 1,235,951.70 × 263,135.80
  4. Step 4: Simplify right side
    824,044.60x = 325,223,139,340.86
  5. Step 5: Solve for x
    x = 325,223,139,340.86/824,044.60
  6. Step 6: Final answer
    x = 394,666.91

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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.