Home / 1,093,200.60-1,640,492.10-643,920.60

Finding the Fourth Proportional to 1,093,200.60, 1,640,492.10 and 643,920.60

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Solution

The fourth proportional to 1,093,200.60, 1,640,492.10 and 643,920.60 is: 966,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,200.60 : 1,640,492.10 = 643,920.60 : x
  2. Step 2: Convert to fraction form
    1,093,200.60/1,640,492.10 = 643,920.60/x
  3. Step 3: Cross multiply
    1,093,200.60x = 1,640,492.10 × 643,920.60
  4. Step 4: Simplify right side
    1,093,200.60x = 1,056,346,657,327.26
  5. Step 5: Solve for x
    x = 1,056,346,657,327.26/1,093,200.60
  6. Step 6: Final answer
    x = 966,288.03

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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.