Home / 892,931.14-1,232,267.20-485,032.86

Finding the Fourth Proportional to 892,931.14, 1,232,267.20 and 485,032.86

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Solution

The fourth proportional to 892,931.14, 1,232,267.20 and 485,032.86 is: 669,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,931.14 : 1,232,267.20 = 485,032.86 : x
  2. Step 2: Convert to fraction form
    892,931.14/1,232,267.20 = 485,032.86/x
  3. Step 3: Cross multiply
    892,931.14x = 1,232,267.20 × 485,032.86
  4. Step 4: Simplify right side
    892,931.14x = 597,690,084,451.77
  5. Step 5: Solve for x
    x = 597,690,084,451.77/892,931.14
  6. Step 6: Final answer
    x = 669,357.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.