Home / 1,014,279.39-1,399,749.30-561,570.39

Finding the Fourth Proportional to 1,014,279.39, 1,399,749.30 and 561,570.39

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Solution

The fourth proportional to 1,014,279.39, 1,399,749.30 and 561,570.39 is: 774,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,279.39 : 1,399,749.30 = 561,570.39 : x
  2. Step 2: Convert to fraction form
    1,014,279.39/1,399,749.30 = 561,570.39/x
  3. Step 3: Cross multiply
    1,014,279.39x = 1,399,749.30 × 561,570.39
  4. Step 4: Simplify right side
    1,014,279.39x = 786,057,760,303.23
  5. Step 5: Solve for x
    x = 786,057,760,303.23/1,014,279.39
  6. Step 6: Final answer
    x = 774,991.36

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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.