Home / 858,845.20-1,185,183.60-476,862.16

Finding the Fourth Proportional to 858,845.20, 1,185,183.60 and 476,862.16

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Solution

The fourth proportional to 858,845.20, 1,185,183.60 and 476,862.16 is: 658,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,845.20 : 1,185,183.60 = 476,862.16 : x
  2. Step 2: Convert to fraction form
    858,845.20/1,185,183.60 = 476,862.16/x
  3. Step 3: Cross multiply
    858,845.20x = 1,185,183.60 × 476,862.16
  4. Step 4: Simplify right side
    858,845.20x = 565,169,211,492.58
  5. Step 5: Solve for x
    x = 565,169,211,492.58/858,845.20
  6. Step 6: Final answer
    x = 658,057.13

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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.