Home / 772,376.48-1,157,056.38-366,991.76

Finding the Fourth Proportional to 772,376.48, 1,157,056.38 and 366,991.76

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Solution

The fourth proportional to 772,376.48, 1,157,056.38 and 366,991.76 is: 549,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,376.48 : 1,157,056.38 = 366,991.76 : x
  2. Step 2: Convert to fraction form
    772,376.48/1,157,056.38 = 366,991.76/x
  3. Step 3: Cross multiply
    772,376.48x = 1,157,056.38 × 366,991.76
  4. Step 4: Simplify right side
    772,376.48x = 424,630,157,315.43
  5. Step 5: Solve for x
    x = 424,630,157,315.43/772,376.48
  6. Step 6: Final answer
    x = 549,770.96

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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.