Home / 1,055,499.56-1,579,512-656,328.32

Finding the Fourth Proportional to 1,055,499.56, 1,579,512 and 656,328.32

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Solution

The fourth proportional to 1,055,499.56, 1,579,512 and 656,328.32 is: 982,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,499.56 : 1,579,512 = 656,328.32 : x
  2. Step 2: Convert to fraction form
    1,055,499.56/1,579,512 = 656,328.32/x
  3. Step 3: Cross multiply
    1,055,499.56x = 1,579,512 × 656,328.32
  4. Step 4: Simplify right side
    1,055,499.56x = 1,036,678,457,379.84
  5. Step 5: Solve for x
    x = 1,036,678,457,379.84/1,055,499.56
  6. Step 6: Final answer
    x = 982,168.54

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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.