Home / 866,138.02-1,299,185.16-235,035.44

Finding the Fourth Proportional to 866,138.02, 1,299,185.16 and 235,035.44

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Solution

The fourth proportional to 866,138.02, 1,299,185.16 and 235,035.44 is: 352,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,138.02 : 1,299,185.16 = 235,035.44 : x
  2. Step 2: Convert to fraction form
    866,138.02/1,299,185.16 = 235,035.44/x
  3. Step 3: Cross multiply
    866,138.02x = 1,299,185.16 × 235,035.44
  4. Step 4: Simplify right side
    866,138.02x = 305,354,555,722.07
  5. Step 5: Solve for x
    x = 305,354,555,722.07/866,138.02
  6. Step 6: Final answer
    x = 352,547.23

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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.