Home / 1,157,300.68-1,597,019.45-641,019.75

Finding the Fourth Proportional to 1,157,300.68, 1,597,019.45 and 641,019.75

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Solution

The fourth proportional to 1,157,300.68, 1,597,019.45 and 641,019.75 is: 884,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,300.68 : 1,597,019.45 = 641,019.75 : x
  2. Step 2: Convert to fraction form
    1,157,300.68/1,597,019.45 = 641,019.75/x
  3. Step 3: Cross multiply
    1,157,300.68x = 1,597,019.45 × 641,019.75
  4. Step 4: Simplify right side
    1,157,300.68x = 1,023,721,008,584.14
  5. Step 5: Solve for x
    x = 1,023,721,008,584.14/1,157,300.68
  6. Step 6: Final answer
    x = 884,576.52

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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.