Home / 944,858.72-1,303,887.48-515,142.56

Finding the Fourth Proportional to 944,858.72, 1,303,887.48 and 515,142.56

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Solution

The fourth proportional to 944,858.72, 1,303,887.48 and 515,142.56 is: 710,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,858.72 : 1,303,887.48 = 515,142.56 : x
  2. Step 2: Convert to fraction form
    944,858.72/1,303,887.48 = 515,142.56/x
  3. Step 3: Cross multiply
    944,858.72x = 1,303,887.48 × 515,142.56
  4. Step 4: Simplify right side
    944,858.72x = 671,687,934,399.15
  5. Step 5: Solve for x
    x = 671,687,934,399.15/944,858.72
  6. Step 6: Final answer
    x = 710,887.16

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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.