Home / 994,718.72-1,492,519.12-521,291.52

Finding the Fourth Proportional to 994,718.72, 1,492,519.12 and 521,291.52

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Solution

The fourth proportional to 994,718.72, 1,492,519.12 and 521,291.52 is: 782,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,718.72 : 1,492,519.12 = 521,291.52 : x
  2. Step 2: Convert to fraction form
    994,718.72/1,492,519.12 = 521,291.52/x
  3. Step 3: Cross multiply
    994,718.72x = 1,492,519.12 × 521,291.52
  4. Step 4: Simplify right side
    994,718.72x = 778,037,560,693.86
  5. Step 5: Solve for x
    x = 778,037,560,693.86/994,718.72
  6. Step 6: Final answer
    x = 782,168.41

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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.