Home / 858,855.07-1,185,256.16-476,917.39

Finding the Fourth Proportional to 858,855.07, 1,185,256.16 and 476,917.39

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Solution

The fourth proportional to 858,855.07, 1,185,256.16 and 476,917.39 is: 658,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,855.07 : 1,185,256.16 = 476,917.39 : x
  2. Step 2: Convert to fraction form
    858,855.07/1,185,256.16 = 476,917.39/x
  3. Step 3: Cross multiply
    858,855.07x = 1,185,256.16 × 476,917.39
  4. Step 4: Simplify right side
    858,855.07x = 565,269,274,308.62
  5. Step 5: Solve for x
    x = 565,269,274,308.62/858,855.07
  6. Step 6: Final answer
    x = 658,166.08

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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.