Home / 1,699,513.92-2,550,845.52-858,656.16

Finding the Fourth Proportional to 1,699,513.92, 2,550,845.52 and 858,656.16

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Solution

The fourth proportional to 1,699,513.92, 2,550,845.52 and 858,656.16 is: 1,288,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,513.92 : 2,550,845.52 = 858,656.16 : x
  2. Step 2: Convert to fraction form
    1,699,513.92/2,550,845.52 = 858,656.16/x
  3. Step 3: Cross multiply
    1,699,513.92x = 2,550,845.52 × 858,656.16
  4. Step 4: Simplify right side
    1,699,513.92x = 2,190,299,218,956.40
  5. Step 5: Solve for x
    x = 2,190,299,218,956.40/1,699,513.92
  6. Step 6: Final answer
    x = 1,288,779.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.