Home / 1,555,851-2,334,170.34-433,920

Finding the Fourth Proportional to 1,555,851, 2,334,170.34 and 433,920

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Solution

The fourth proportional to 1,555,851, 2,334,170.34 and 433,920 is: 650,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,851 : 2,334,170.34 = 433,920 : x
  2. Step 2: Convert to fraction form
    1,555,851/2,334,170.34 = 433,920/x
  3. Step 3: Cross multiply
    1,555,851x = 2,334,170.34 × 433,920
  4. Step 4: Simplify right side
    1,555,851x = 1,012,843,193,932.80
  5. Step 5: Solve for x
    x = 1,012,843,193,932.80/1,555,851
  6. Step 6: Final answer
    x = 650,989.84

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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.