Home / 858,140.60-1,199,822.20-858,140.60

Finding the Fourth Proportional to 858,140.60, 1,199,822.20 and 858,140.60

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Solution

The fourth proportional to 858,140.60, 1,199,822.20 and 858,140.60 is: 1,199,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,140.60 : 1,199,822.20 = 858,140.60 : x
  2. Step 2: Convert to fraction form
    858,140.60/1,199,822.20 = 858,140.60/x
  3. Step 3: Cross multiply
    858,140.60x = 1,199,822.20 × 858,140.60
  4. Step 4: Simplify right side
    858,140.60x = 1,029,616,142,601.32
  5. Step 5: Solve for x
    x = 1,029,616,142,601.32/858,140.60
  6. Step 6: Final answer
    x = 1,199,822.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.