Home / 1,069,173.20-1,603,999.14-359,181.87

Finding the Fourth Proportional to 1,069,173.20, 1,603,999.14 and 359,181.87

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Solution

The fourth proportional to 1,069,173.20, 1,603,999.14 and 359,181.87 is: 538,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,173.20 : 1,603,999.14 = 359,181.87 : x
  2. Step 2: Convert to fraction form
    1,069,173.20/1,603,999.14 = 359,181.87/x
  3. Step 3: Cross multiply
    1,069,173.20x = 1,603,999.14 × 359,181.87
  4. Step 4: Simplify right side
    1,069,173.20x = 576,127,410,583.59
  5. Step 5: Solve for x
    x = 576,127,410,583.59/1,069,173.20
  6. Step 6: Final answer
    x = 538,853.21

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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.