Home / 993,211.12-1,370,662.44-563,509.36

Finding the Fourth Proportional to 993,211.12, 1,370,662.44 and 563,509.36

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Solution

The fourth proportional to 993,211.12, 1,370,662.44 and 563,509.36 is: 777,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,211.12 : 1,370,662.44 = 563,509.36 : x
  2. Step 2: Convert to fraction form
    993,211.12/1,370,662.44 = 563,509.36/x
  3. Step 3: Cross multiply
    993,211.12x = 1,370,662.44 × 563,509.36
  4. Step 4: Simplify right side
    993,211.12x = 772,381,114,340.44
  5. Step 5: Solve for x
    x = 772,381,114,340.44/993,211.12
  6. Step 6: Final answer
    x = 777,660.56

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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.