Home / 909,887.33-1,255,635.82-501,992.46

Finding the Fourth Proportional to 909,887.33, 1,255,635.82 and 501,992.46

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Solution

The fourth proportional to 909,887.33, 1,255,635.82 and 501,992.46 is: 692,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,887.33 : 1,255,635.82 = 501,992.46 : x
  2. Step 2: Convert to fraction form
    909,887.33/1,255,635.82 = 501,992.46/x
  3. Step 3: Cross multiply
    909,887.33x = 1,255,635.82 × 501,992.46
  4. Step 4: Simplify right side
    909,887.33x = 630,319,714,145.92
  5. Step 5: Solve for x
    x = 630,319,714,145.92/909,887.33
  6. Step 6: Final answer
    x = 692,744.80

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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.