Home / 863,287.45-1,191,737.82-615,089.41

Finding the Fourth Proportional to 863,287.45, 1,191,737.82 and 615,089.41

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Solution

The fourth proportional to 863,287.45, 1,191,737.82 and 615,089.41 is: 849,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,287.45 : 1,191,737.82 = 615,089.41 : x
  2. Step 2: Convert to fraction form
    863,287.45/1,191,737.82 = 615,089.41/x
  3. Step 3: Cross multiply
    863,287.45x = 1,191,737.82 × 615,089.41
  4. Step 4: Simplify right side
    863,287.45x = 733,025,312,578.49
  5. Step 5: Solve for x
    x = 733,025,312,578.49/863,287.45
  6. Step 6: Final answer
    x = 849,109.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.