Home / 843,805.59-1,164,454.79-456,620.96

Finding the Fourth Proportional to 843,805.59, 1,164,454.79 and 456,620.96

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Solution

The fourth proportional to 843,805.59, 1,164,454.79 and 456,620.96 is: 630,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,805.59 : 1,164,454.79 = 456,620.96 : x
  2. Step 2: Convert to fraction form
    843,805.59/1,164,454.79 = 456,620.96/x
  3. Step 3: Cross multiply
    843,805.59x = 1,164,454.79 × 456,620.96
  4. Step 4: Simplify right side
    843,805.59x = 531,714,464,714.43
  5. Step 5: Solve for x
    x = 531,714,464,714.43/843,805.59
  6. Step 6: Final answer
    x = 630,138.59

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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.