Home / 858,297.87-1,185,434.10-565,257.56

Finding the Fourth Proportional to 858,297.87, 1,185,434.10 and 565,257.56

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Solution

The fourth proportional to 858,297.87, 1,185,434.10 and 565,257.56 is: 780,702.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,297.87 : 1,185,434.10 = 565,257.56 : x
  2. Step 2: Convert to fraction form
    858,297.87/1,185,434.10 = 565,257.56/x
  3. Step 3: Cross multiply
    858,297.87x = 1,185,434.10 × 565,257.56
  4. Step 4: Simplify right side
    858,297.87x = 670,075,580,979.63
  5. Step 5: Solve for x
    x = 670,075,580,979.63/858,297.87
  6. Step 6: Final answer
    x = 780,702.84

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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.