Home / 845,822.80-1,167,247.20-463,824.40

Finding the Fourth Proportional to 845,822.80, 1,167,247.20 and 463,824.40

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Solution

The fourth proportional to 845,822.80, 1,167,247.20 and 463,824.40 is: 640,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,822.80 : 1,167,247.20 = 463,824.40 : x
  2. Step 2: Convert to fraction form
    845,822.80/1,167,247.20 = 463,824.40/x
  3. Step 3: Cross multiply
    845,822.80x = 1,167,247.20 × 463,824.40
  4. Step 4: Simplify right side
    845,822.80x = 541,397,732,191.68
  5. Step 5: Solve for x
    x = 541,397,732,191.68/845,822.80
  6. Step 6: Final answer
    x = 640,084.11

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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.