Home / 772,375.48-1,157,054.88-366,990.76

Finding the Fourth Proportional to 772,375.48, 1,157,054.88 and 366,990.76

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Solution

The fourth proportional to 772,375.48, 1,157,054.88 and 366,990.76 is: 549,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,375.48 : 1,157,054.88 = 366,990.76 : x
  2. Step 2: Convert to fraction form
    772,375.48/1,157,054.88 = 366,990.76/x
  3. Step 3: Cross multiply
    772,375.48x = 1,157,054.88 × 366,990.76
  4. Step 4: Simplify right side
    772,375.48x = 424,628,449,772.91
  5. Step 5: Solve for x
    x = 424,628,449,772.91/772,375.48
  6. Step 6: Final answer
    x = 549,769.46

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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.