Home / 744,619.15-1,116,995.24-289,199.53

Finding the Fourth Proportional to 744,619.15, 1,116,995.24 and 289,199.53

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Solution

The fourth proportional to 744,619.15, 1,116,995.24 and 289,199.53 is: 433,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,619.15 : 1,116,995.24 = 289,199.53 : x
  2. Step 2: Convert to fraction form
    744,619.15/1,116,995.24 = 289,199.53/x
  3. Step 3: Cross multiply
    744,619.15x = 1,116,995.24 × 289,199.53
  4. Step 4: Simplify right side
    744,619.15x = 323,034,498,420.24
  5. Step 5: Solve for x
    x = 323,034,498,420.24/744,619.15
  6. Step 6: Final answer
    x = 433,825.13

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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.