Home / 808,708.22-1,116,018.50-446,131.36

Finding the Fourth Proportional to 808,708.22, 1,116,018.50 and 446,131.36

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Solution

The fourth proportional to 808,708.22, 1,116,018.50 and 446,131.36 is: 615,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,708.22 : 1,116,018.50 = 446,131.36 : x
  2. Step 2: Convert to fraction form
    808,708.22/1,116,018.50 = 446,131.36/x
  3. Step 3: Cross multiply
    808,708.22x = 1,116,018.50 × 446,131.36
  4. Step 4: Simplify right side
    808,708.22x = 497,890,851,190.16
  5. Step 5: Solve for x
    x = 497,890,851,190.16/808,708.22
  6. Step 6: Final answer
    x = 615,661.91

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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.