Home / 1,157,439.77-1,597,266.67-641,227.21

Finding the Fourth Proportional to 1,157,439.77, 1,597,266.67 and 641,227.21

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Solution

The fourth proportional to 1,157,439.77, 1,597,266.67 and 641,227.21 is: 884,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,439.77 : 1,597,266.67 = 641,227.21 : x
  2. Step 2: Convert to fraction form
    1,157,439.77/1,597,266.67 = 641,227.21/x
  3. Step 3: Cross multiply
    1,157,439.77x = 1,597,266.67 × 641,227.21
  4. Step 4: Simplify right side
    1,157,439.77x = 1,024,210,850,430.09
  5. Step 5: Solve for x
    x = 1,024,210,850,430.09/1,157,439.77
  6. Step 6: Final answer
    x = 884,893.44

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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.