Home / 694,555.80-1,041,833.70-479,938.20

Finding the Fourth Proportional to 694,555.80, 1,041,833.70 and 479,938.20

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Solution

The fourth proportional to 694,555.80, 1,041,833.70 and 479,938.20 is: 719,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,555.80 : 1,041,833.70 = 479,938.20 : x
  2. Step 2: Convert to fraction form
    694,555.80/1,041,833.70 = 479,938.20/x
  3. Step 3: Cross multiply
    694,555.80x = 1,041,833.70 × 479,938.20
  4. Step 4: Simplify right side
    694,555.80x = 500,015,790,677.34
  5. Step 5: Solve for x
    x = 500,015,790,677.34/694,555.80
  6. Step 6: Final answer
    x = 719,907.30

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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.