Home / 1,108,445.52-1,529,764.38-672,828.42

Finding the Fourth Proportional to 1,108,445.52, 1,529,764.38 and 672,828.42

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Solution

The fourth proportional to 1,108,445.52, 1,529,764.38 and 672,828.42 is: 928,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,445.52 : 1,529,764.38 = 672,828.42 : x
  2. Step 2: Convert to fraction form
    1,108,445.52/1,529,764.38 = 672,828.42/x
  3. Step 3: Cross multiply
    1,108,445.52x = 1,529,764.38 × 672,828.42
  4. Step 4: Simplify right side
    1,108,445.52x = 1,029,268,950,767.68
  5. Step 5: Solve for x
    x = 1,029,268,950,767.68/1,108,445.52
  6. Step 6: Final answer
    x = 928,569.72

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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.