Home / 691,029.88-953,295.42-404,374.12

Finding the Fourth Proportional to 691,029.88, 953,295.42 and 404,374.12

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Solution

The fourth proportional to 691,029.88, 953,295.42 and 404,374.12 is: 557,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,029.88 : 953,295.42 = 404,374.12 : x
  2. Step 2: Convert to fraction form
    691,029.88/953,295.42 = 404,374.12/x
  3. Step 3: Cross multiply
    691,029.88x = 953,295.42 × 404,374.12
  4. Step 4: Simplify right side
    691,029.88x = 385,487,996,562.53
  5. Step 5: Solve for x
    x = 385,487,996,562.53/691,029.88
  6. Step 6: Final answer
    x = 557,845.63

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1.5x scale

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.