Home / 873,138.74-1,204,749.99-510,492.42

Finding the Fourth Proportional to 873,138.74, 1,204,749.99 and 510,492.42

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Solution

The fourth proportional to 873,138.74, 1,204,749.99 and 510,492.42 is: 704,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,138.74 : 1,204,749.99 = 510,492.42 : x
  2. Step 2: Convert to fraction form
    873,138.74/1,204,749.99 = 510,492.42/x
  3. Step 3: Cross multiply
    873,138.74x = 1,204,749.99 × 510,492.42
  4. Step 4: Simplify right side
    873,138.74x = 615,015,737,890.08
  5. Step 5: Solve for x
    x = 615,015,737,890.08/873,138.74
  6. Step 6: Final answer
    x = 704,373.44

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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.