Home / 1,204,139.02-1,804,944.15-405,143.17

Finding the Fourth Proportional to 1,204,139.02, 1,804,944.15 and 405,143.17

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Solution

The fourth proportional to 1,204,139.02, 1,804,944.15 and 405,143.17 is: 607,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,139.02 : 1,804,944.15 = 405,143.17 : x
  2. Step 2: Convert to fraction form
    1,204,139.02/1,804,944.15 = 405,143.17/x
  3. Step 3: Cross multiply
    1,204,139.02x = 1,804,944.15 × 405,143.17
  4. Step 4: Simplify right side
    1,204,139.02x = 731,260,794,603.96
  5. Step 5: Solve for x
    x = 731,260,794,603.96/1,204,139.02
  6. Step 6: Final answer
    x = 607,289.35

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1.5x scale

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.