Home / 909,317.70-1,254,933.14-501,499.31

Finding the Fourth Proportional to 909,317.70, 1,254,933.14 and 501,499.31

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Solution

The fourth proportional to 909,317.70, 1,254,933.14 and 501,499.31 is: 692,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,317.70 : 1,254,933.14 = 501,499.31 : x
  2. Step 2: Convert to fraction form
    909,317.70/1,254,933.14 = 501,499.31/x
  3. Step 3: Cross multiply
    909,317.70x = 1,254,933.14 × 501,499.31
  4. Step 4: Simplify right side
    909,317.70x = 629,348,095,023.97
  5. Step 5: Solve for x
    x = 629,348,095,023.97/909,317.70
  6. Step 6: Final answer
    x = 692,110.24

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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.