Home / 1,157,122.77-1,734,620.76-398,784.12

Finding the Fourth Proportional to 1,157,122.77, 1,734,620.76 and 398,784.12

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Solution

The fourth proportional to 1,157,122.77, 1,734,620.76 and 398,784.12 is: 597,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,122.77 : 1,734,620.76 = 398,784.12 : x
  2. Step 2: Convert to fraction form
    1,157,122.77/1,734,620.76 = 398,784.12/x
  3. Step 3: Cross multiply
    1,157,122.77x = 1,734,620.76 × 398,784.12
  4. Step 4: Simplify right side
    1,157,122.77x = 691,739,213,310.33
  5. Step 5: Solve for x
    x = 691,739,213,310.33/1,157,122.77
  6. Step 6: Final answer
    x = 597,809.70

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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.