Home / 502,953.12-694,089.84-276,613.20

Finding the Fourth Proportional to 502,953.12, 694,089.84 and 276,613.20

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Solution

The fourth proportional to 502,953.12, 694,089.84 and 276,613.20 is: 381,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,953.12 : 694,089.84 = 276,613.20 : x
  2. Step 2: Convert to fraction form
    502,953.12/694,089.84 = 276,613.20/x
  3. Step 3: Cross multiply
    502,953.12x = 694,089.84 × 276,613.20
  4. Step 4: Simplify right side
    502,953.12x = 191,994,411,729.89
  5. Step 5: Solve for x
    x = 191,994,411,729.89/502,953.12
  6. Step 6: Final answer
    x = 381,734.21

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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.