Home / 1,093,539.60-1,640,309.40-813,603.60

Finding the Fourth Proportional to 1,093,539.60, 1,640,309.40 and 813,603.60

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Solution

The fourth proportional to 1,093,539.60, 1,640,309.40 and 813,603.60 is: 1,220,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,539.60 : 1,640,309.40 = 813,603.60 : x
  2. Step 2: Convert to fraction form
    1,093,539.60/1,640,309.40 = 813,603.60/x
  3. Step 3: Cross multiply
    1,093,539.60x = 1,640,309.40 × 813,603.60
  4. Step 4: Simplify right side
    1,093,539.60x = 1,334,561,632,953.84
  5. Step 5: Solve for x
    x = 1,334,561,632,953.84/1,093,539.60
  6. Step 6: Final answer
    x = 1,220,405.40

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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.