Home / 858,824.15-1,185,323.10-496,458.07

Finding the Fourth Proportional to 858,824.15, 1,185,323.10 and 496,458.07

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Solution

The fourth proportional to 858,824.15, 1,185,323.10 and 496,458.07 is: 685,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,824.15 : 1,185,323.10 = 496,458.07 : x
  2. Step 2: Convert to fraction form
    858,824.15/1,185,323.10 = 496,458.07/x
  3. Step 3: Cross multiply
    858,824.15x = 1,185,323.10 × 496,458.07
  4. Step 4: Simplify right side
    858,824.15x = 588,463,215,589.11
  5. Step 5: Solve for x
    x = 588,463,215,589.11/858,824.15
  6. Step 6: Final answer
    x = 685,196.40

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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.