Home / 993,195.12-1,370,640.36-563,493.36

Finding the Fourth Proportional to 993,195.12, 1,370,640.36 and 563,493.36

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Solution

The fourth proportional to 993,195.12, 1,370,640.36 and 563,493.36 is: 777,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,195.12 : 1,370,640.36 = 563,493.36 : x
  2. Step 2: Convert to fraction form
    993,195.12/1,370,640.36 = 563,493.36/x
  3. Step 3: Cross multiply
    993,195.12x = 1,370,640.36 × 563,493.36
  4. Step 4: Simplify right side
    993,195.12x = 772,346,741,808.01
  5. Step 5: Solve for x
    x = 772,346,741,808.01/993,195.12
  6. Step 6: Final answer
    x = 777,638.48

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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.