Home / 1,329,040.20-1,994,021.10-581,622.60

Finding the Fourth Proportional to 1,329,040.20, 1,994,021.10 and 581,622.60

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Solution

The fourth proportional to 1,329,040.20, 1,994,021.10 and 581,622.60 is: 872,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,040.20 : 1,994,021.10 = 581,622.60 : x
  2. Step 2: Convert to fraction form
    1,329,040.20/1,994,021.10 = 581,622.60/x
  3. Step 3: Cross multiply
    1,329,040.20x = 1,994,021.10 × 581,622.60
  4. Step 4: Simplify right side
    1,329,040.20x = 1,159,767,736,636.86
  5. Step 5: Solve for x
    x = 1,159,767,736,636.86/1,329,040.20
  6. Step 6: Final answer
    x = 872,635.56

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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.