Home / 1,108,905.80-1,662,969.90-576,249.80

Finding the Fourth Proportional to 1,108,905.80, 1,662,969.90 and 576,249.80

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Solution

The fourth proportional to 1,108,905.80, 1,662,969.90 and 576,249.80 is: 864,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,905.80 : 1,662,969.90 = 576,249.80 : x
  2. Step 2: Convert to fraction form
    1,108,905.80/1,662,969.90 = 576,249.80/x
  3. Step 3: Cross multiply
    1,108,905.80x = 1,662,969.90 × 576,249.80
  4. Step 4: Simplify right side
    1,108,905.80x = 958,286,072,281.02
  5. Step 5: Solve for x
    x = 958,286,072,281.02/1,108,905.80
  6. Step 6: Final answer
    x = 864,172.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.