Home / 1,663,409.70-2,495,107.26-651,816.90

Finding the Fourth Proportional to 1,663,409.70, 2,495,107.26 and 651,816.90

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Solution

The fourth proportional to 1,663,409.70, 2,495,107.26 and 651,816.90 is: 977,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,409.70 : 2,495,107.26 = 651,816.90 : x
  2. Step 2: Convert to fraction form
    1,663,409.70/2,495,107.26 = 651,816.90/x
  3. Step 3: Cross multiply
    1,663,409.70x = 2,495,107.26 × 651,816.90
  4. Step 4: Simplify right side
    1,663,409.70x = 1,626,353,079,380.69
  5. Step 5: Solve for x
    x = 1,626,353,079,380.69/1,663,409.70
  6. Step 6: Final answer
    x = 977,722.49

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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.