Home / 1,861,314.48-2,791,860.84-663,173.28

Finding the Fourth Proportional to 1,861,314.48, 2,791,860.84 and 663,173.28

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Solution

The fourth proportional to 1,861,314.48, 2,791,860.84 and 663,173.28 is: 994,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,314.48 : 2,791,860.84 = 663,173.28 : x
  2. Step 2: Convert to fraction form
    1,861,314.48/2,791,860.84 = 663,173.28/x
  3. Step 3: Cross multiply
    1,861,314.48x = 2,791,860.84 × 663,173.28
  4. Step 4: Simplify right side
    1,861,314.48x = 1,851,487,510,566.36
  5. Step 5: Solve for x
    x = 1,851,487,510,566.36/1,861,314.48
  6. Step 6: Final answer
    x = 994,720.41

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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.