Home / 858,994.49-1,185,437.26-491,531.37

Finding the Fourth Proportional to 858,994.49, 1,185,437.26 and 491,531.37

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Solution

The fourth proportional to 858,994.49, 1,185,437.26 and 491,531.37 is: 678,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,994.49 : 1,185,437.26 = 491,531.37 : x
  2. Step 2: Convert to fraction form
    858,994.49/1,185,437.26 = 491,531.37/x
  3. Step 3: Cross multiply
    858,994.49x = 1,185,437.26 × 491,531.37
  4. Step 4: Simplify right side
    858,994.49x = 582,679,600,456.85
  5. Step 5: Solve for x
    x = 582,679,600,456.85/858,994.49
  6. Step 6: Final answer
    x = 678,327.52

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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.