Home / 1,298,514.85-1,947,772.31-351,885.53

Finding the Fourth Proportional to 1,298,514.85, 1,947,772.31 and 351,885.53

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Solution

The fourth proportional to 1,298,514.85, 1,947,772.31 and 351,885.53 is: 527,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,514.85 : 1,947,772.31 = 351,885.53 : x
  2. Step 2: Convert to fraction form
    1,298,514.85/1,947,772.31 = 351,885.53/x
  3. Step 3: Cross multiply
    1,298,514.85x = 1,947,772.31 × 351,885.53
  4. Step 4: Simplify right side
    1,298,514.85x = 685,392,894,733.68
  5. Step 5: Solve for x
    x = 685,392,894,733.68/1,298,514.85
  6. Step 6: Final answer
    x = 527,828.31

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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.