Home / 668,969.25-1,003,445.04-163,534.65

Finding the Fourth Proportional to 668,969.25, 1,003,445.04 and 163,534.65

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Solution

The fourth proportional to 668,969.25, 1,003,445.04 and 163,534.65 is: 245,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,969.25 : 1,003,445.04 = 163,534.65 : x
  2. Step 2: Convert to fraction form
    668,969.25/1,003,445.04 = 163,534.65/x
  3. Step 3: Cross multiply
    668,969.25x = 1,003,445.04 × 163,534.65
  4. Step 4: Simplify right side
    668,969.25x = 164,098,033,410.64
  5. Step 5: Solve for x
    x = 164,098,033,410.64/668,969.25
  6. Step 6: Final answer
    x = 245,299.82

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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.