Home / 691,024.20-953,642.82-385,100.94

Finding the Fourth Proportional to 691,024.20, 953,642.82 and 385,100.94

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Solution

The fourth proportional to 691,024.20, 953,642.82 and 385,100.94 is: 531,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,024.20 : 953,642.82 = 385,100.94 : x
  2. Step 2: Convert to fraction form
    691,024.20/953,642.82 = 385,100.94/x
  3. Step 3: Cross multiply
    691,024.20x = 953,642.82 × 385,100.94
  4. Step 4: Simplify right side
    691,024.20x = 367,248,746,406.25
  5. Step 5: Solve for x
    x = 367,248,746,406.25/691,024.20
  6. Step 6: Final answer
    x = 531,455.69

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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.