Home / 1,158,921.66-1,599,410.51-649,722.45

Finding the Fourth Proportional to 1,158,921.66, 1,599,410.51 and 649,722.45

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Solution

The fourth proportional to 1,158,921.66, 1,599,410.51 and 649,722.45 is: 896,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,921.66 : 1,599,410.51 = 649,722.45 : x
  2. Step 2: Convert to fraction form
    1,158,921.66/1,599,410.51 = 649,722.45/x
  3. Step 3: Cross multiply
    1,158,921.66x = 1,599,410.51 × 649,722.45
  4. Step 4: Simplify right side
    1,158,921.66x = 1,039,172,915,112.95
  5. Step 5: Solve for x
    x = 1,039,172,915,112.95/1,158,921.66
  6. Step 6: Final answer
    x = 896,672.27

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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.