Home / 1,211,217.68-1,671,482.01-659,930.56

Finding the Fourth Proportional to 1,211,217.68, 1,671,482.01 and 659,930.56

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Solution

The fourth proportional to 1,211,217.68, 1,671,482.01 and 659,930.56 is: 910,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,217.68 : 1,671,482.01 = 659,930.56 : x
  2. Step 2: Convert to fraction form
    1,211,217.68/1,671,482.01 = 659,930.56/x
  3. Step 3: Cross multiply
    1,211,217.68x = 1,671,482.01 × 659,930.56
  4. Step 4: Simplify right side
    1,211,217.68x = 1,103,062,058,889.23
  5. Step 5: Solve for x
    x = 1,103,062,058,889.23/1,211,217.68
  6. Step 6: Final answer
    x = 910,705.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.