Home / 1,114,912.15-1,538,552.95-649,736.37

Finding the Fourth Proportional to 1,114,912.15, 1,538,552.95 and 649,736.37

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Solution

The fourth proportional to 1,114,912.15, 1,538,552.95 and 649,736.37 is: 896,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,912.15 : 1,538,552.95 = 649,736.37 : x
  2. Step 2: Convert to fraction form
    1,114,912.15/1,538,552.95 = 649,736.37/x
  3. Step 3: Cross multiply
    1,114,912.15x = 1,538,552.95 × 649,736.37
  4. Step 4: Simplify right side
    1,114,912.15x = 999,653,807,161.45
  5. Step 5: Solve for x
    x = 999,653,807,161.45/1,114,912.15
  6. Step 6: Final answer
    x = 896,621.15

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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.