Home / 694,907.80-1,043,916.90-666,568.60

Finding the Fourth Proportional to 694,907.80, 1,043,916.90 and 666,568.60

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Solution

The fourth proportional to 694,907.80, 1,043,916.90 and 666,568.60 is: 1,001,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,907.80 : 1,043,916.90 = 666,568.60 : x
  2. Step 2: Convert to fraction form
    694,907.80/1,043,916.90 = 666,568.60/x
  3. Step 3: Cross multiply
    694,907.80x = 1,043,916.90 × 666,568.60
  4. Step 4: Simplify right side
    694,907.80x = 695,842,226,549.34
  5. Step 5: Solve for x
    x = 695,842,226,549.34/694,907.80
  6. Step 6: Final answer
    x = 1,001,344.68

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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.