Home / 1,699,782.72-2,550,037.92-688,893.12

Finding the Fourth Proportional to 1,699,782.72, 2,550,037.92 and 688,893.12

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Solution

The fourth proportional to 1,699,782.72, 2,550,037.92 and 688,893.12 is: 1,033,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,782.72 : 2,550,037.92 = 688,893.12 : x
  2. Step 2: Convert to fraction form
    1,699,782.72/2,550,037.92 = 688,893.12/x
  3. Step 3: Cross multiply
    1,699,782.72x = 2,550,037.92 × 688,893.12
  4. Step 4: Simplify right side
    1,699,782.72x = 1,756,703,578,827.11
  5. Step 5: Solve for x
    x = 1,756,703,578,827.11/1,699,782.72
  6. Step 6: Final answer
    x = 1,033,487.14

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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.