Home / 772,114.06-1,157,776.21-322,712.29

Finding the Fourth Proportional to 772,114.06, 1,157,776.21 and 322,712.29

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Solution

The fourth proportional to 772,114.06, 1,157,776.21 and 322,712.29 is: 483,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,114.06 : 1,157,776.21 = 322,712.29 : x
  2. Step 2: Convert to fraction form
    772,114.06/1,157,776.21 = 322,712.29/x
  3. Step 3: Cross multiply
    772,114.06x = 1,157,776.21 × 322,712.29
  4. Step 4: Simplify right side
    772,114.06x = 373,628,612,036.62
  5. Step 5: Solve for x
    x = 373,628,612,036.62/772,114.06
  6. Step 6: Final answer
    x = 483,903.39

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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.