Home / 772,579.98-1,065,689.46-510,934.86

Finding the Fourth Proportional to 772,579.98, 1,065,689.46 and 510,934.86

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Solution

The fourth proportional to 772,579.98, 1,065,689.46 and 510,934.86 is: 704,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,579.98 : 1,065,689.46 = 510,934.86 : x
  2. Step 2: Convert to fraction form
    772,579.98/1,065,689.46 = 510,934.86/x
  3. Step 3: Cross multiply
    772,579.98x = 1,065,689.46 × 510,934.86
  4. Step 4: Simplify right side
    772,579.98x = 544,497,895,048.58
  5. Step 5: Solve for x
    x = 544,497,895,048.58/772,579.98
  6. Step 6: Final answer
    x = 704,778.68

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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.