Home / 1,157,405.04-1,597,201.56-641,157.30

Finding the Fourth Proportional to 1,157,405.04, 1,597,201.56 and 641,157.30

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Solution

The fourth proportional to 1,157,405.04, 1,597,201.56 and 641,157.30 is: 884,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,405.04 : 1,597,201.56 = 641,157.30 : x
  2. Step 2: Convert to fraction form
    1,157,405.04/1,597,201.56 = 641,157.30/x
  3. Step 3: Cross multiply
    1,157,405.04x = 1,597,201.56 × 641,157.30
  4. Step 4: Simplify right side
    1,157,405.04x = 1,024,057,439,765.39
  5. Step 5: Solve for x
    x = 1,024,057,439,765.39/1,157,405.04
  6. Step 6: Final answer
    x = 884,787.44

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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.