Home / 909,073.52-1,254,529.58-501,189.82

Finding the Fourth Proportional to 909,073.52, 1,254,529.58 and 501,189.82

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Solution

The fourth proportional to 909,073.52, 1,254,529.58 and 501,189.82 is: 691,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,073.52 : 1,254,529.58 = 501,189.82 : x
  2. Step 2: Convert to fraction form
    909,073.52/1,254,529.58 = 501,189.82/x
  3. Step 3: Cross multiply
    909,073.52x = 1,254,529.58 × 501,189.82
  4. Step 4: Simplify right side
    909,073.52x = 628,757,448,742.60
  5. Step 5: Solve for x
    x = 628,757,448,742.60/909,073.52
  6. Step 6: Final answer
    x = 691,646.42

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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.