Home / 694,905.80-1,043,913.90-666,566.60

Finding the Fourth Proportional to 694,905.80, 1,043,913.90 and 666,566.60

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Solution

The fourth proportional to 694,905.80, 1,043,913.90 and 666,566.60 is: 1,001,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,905.80 : 1,043,913.90 = 666,566.60 : x
  2. Step 2: Convert to fraction form
    694,905.80/1,043,913.90 = 666,566.60/x
  3. Step 3: Cross multiply
    694,905.80x = 1,043,913.90 × 666,566.60
  4. Step 4: Simplify right side
    694,905.80x = 695,838,139,015.74
  5. Step 5: Solve for x
    x = 695,838,139,015.74/694,905.80
  6. Step 6: Final answer
    x = 1,001,341.68

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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.