Home / 1,699,269.80-2,548,911.38-688,410.86

Finding the Fourth Proportional to 1,699,269.80, 2,548,911.38 and 688,410.86

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Solution

The fourth proportional to 1,699,269.80, 2,548,911.38 and 688,410.86 is: 1,032,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,269.80 : 2,548,911.38 = 688,410.86 : x
  2. Step 2: Convert to fraction form
    1,699,269.80/2,548,911.38 = 688,410.86/x
  3. Step 3: Cross multiply
    1,699,269.80x = 2,548,911.38 × 688,410.86
  4. Step 4: Simplify right side
    1,699,269.80x = 1,754,698,258,982.98
  5. Step 5: Solve for x
    x = 1,754,698,258,982.98/1,699,269.80
  6. Step 6: Final answer
    x = 1,032,618.99

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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.