Home / 1,514,328.30-2,271,000.75-503,178.78

Finding the Fourth Proportional to 1,514,328.30, 2,271,000.75 and 503,178.78

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Solution

The fourth proportional to 1,514,328.30, 2,271,000.75 and 503,178.78 is: 754,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,328.30 : 2,271,000.75 = 503,178.78 : x
  2. Step 2: Convert to fraction form
    1,514,328.30/2,271,000.75 = 503,178.78/x
  3. Step 3: Cross multiply
    1,514,328.30x = 2,271,000.75 × 503,178.78
  4. Step 4: Simplify right side
    1,514,328.30x = 1,142,719,386,764.09
  5. Step 5: Solve for x
    x = 1,142,719,386,764.09/1,514,328.30
  6. Step 6: Final answer
    x = 754,604.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.