Home / 1,130,644.44-1,560,349.10-640,708.96

Finding the Fourth Proportional to 1,130,644.44, 1,560,349.10 and 640,708.96

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Solution

The fourth proportional to 1,130,644.44, 1,560,349.10 and 640,708.96 is: 884,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,644.44 : 1,560,349.10 = 640,708.96 : x
  2. Step 2: Convert to fraction form
    1,130,644.44/1,560,349.10 = 640,708.96/x
  3. Step 3: Cross multiply
    1,130,644.44x = 1,560,349.10 × 640,708.96
  4. Step 4: Simplify right side
    1,130,644.44x = 999,729,649,097.94
  5. Step 5: Solve for x
    x = 999,729,649,097.94/1,130,644.44
  6. Step 6: Final answer
    x = 884,212.24

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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.