Home / 858,889.58-1,185,376.48-519,544.94

Finding the Fourth Proportional to 858,889.58, 1,185,376.48 and 519,544.94

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Solution

The fourth proportional to 858,889.58, 1,185,376.48 and 519,544.94 is: 717,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,889.58 : 1,185,376.48 = 519,544.94 : x
  2. Step 2: Convert to fraction form
    858,889.58/1,185,376.48 = 519,544.94/x
  3. Step 3: Cross multiply
    858,889.58x = 1,185,376.48 × 519,544.94
  4. Step 4: Simplify right side
    858,889.58x = 615,856,344,953.27
  5. Step 5: Solve for x
    x = 615,856,344,953.27/858,889.58
  6. Step 6: Final answer
    x = 717,037.86

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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.