Home / 694,554.80-1,043,387.40-668,116.40

Finding the Fourth Proportional to 694,554.80, 1,043,387.40 and 668,116.40

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Solution

The fourth proportional to 694,554.80, 1,043,387.40 and 668,116.40 is: 1,003,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,554.80 : 1,043,387.40 = 668,116.40 : x
  2. Step 2: Convert to fraction form
    694,554.80/1,043,387.40 = 668,116.40/x
  3. Step 3: Cross multiply
    694,554.80x = 1,043,387.40 × 668,116.40
  4. Step 4: Simplify right side
    694,554.80x = 697,104,233,493.36
  5. Step 5: Solve for x
    x = 697,104,233,493.36/694,554.80
  6. Step 6: Final answer
    x = 1,003,670.60

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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.