Home / 1,762,311.60-2,644,342.20-697,388.40

Finding the Fourth Proportional to 1,762,311.60, 2,644,342.20 and 697,388.40

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Solution

The fourth proportional to 1,762,311.60, 2,644,342.20 and 697,388.40 is: 1,046,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,311.60 : 2,644,342.20 = 697,388.40 : x
  2. Step 2: Convert to fraction form
    1,762,311.60/2,644,342.20 = 697,388.40/x
  3. Step 3: Cross multiply
    1,762,311.60x = 2,644,342.20 × 697,388.40
  4. Step 4: Simplify right side
    1,762,311.60x = 1,844,133,575,910.48
  5. Step 5: Solve for x
    x = 1,844,133,575,910.48/1,762,311.60
  6. Step 6: Final answer
    x = 1,046,428.78

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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.