Home / 672,826.59-928,523.12-366,919.72

Finding the Fourth Proportional to 672,826.59, 928,523.12 and 366,919.72

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Solution

The fourth proportional to 672,826.59, 928,523.12 and 366,919.72 is: 506,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,826.59 : 928,523.12 = 366,919.72 : x
  2. Step 2: Convert to fraction form
    672,826.59/928,523.12 = 366,919.72/x
  3. Step 3: Cross multiply
    672,826.59x = 928,523.12 × 366,919.72
  4. Step 4: Simplify right side
    672,826.59x = 340,693,439,048.02
  5. Step 5: Solve for x
    x = 340,693,439,048.02/672,826.59
  6. Step 6: Final answer
    x = 506,361.44

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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.