Home / 1,157,134.82-1,735,816.37-398,876.47

Finding the Fourth Proportional to 1,157,134.82, 1,735,816.37 and 398,876.47

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Solution

The fourth proportional to 1,157,134.82, 1,735,816.37 and 398,876.47 is: 598,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,134.82 : 1,735,816.37 = 398,876.47 : x
  2. Step 2: Convert to fraction form
    1,157,134.82/1,735,816.37 = 398,876.47/x
  3. Step 3: Cross multiply
    1,157,134.82x = 1,735,816.37 × 398,876.47
  4. Step 4: Simplify right side
    1,157,134.82x = 692,376,299,899.89
  5. Step 5: Solve for x
    x = 692,376,299,899.89/1,157,134.82
  6. Step 6: Final answer
    x = 598,354.05

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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.