Home / 831,815.60-1,241,706.22-730,925.20

Finding the Fourth Proportional to 831,815.60, 1,241,706.22 and 730,925.20

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Solution

The fourth proportional to 831,815.60, 1,241,706.22 and 730,925.20 is: 1,091,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,815.60 : 1,241,706.22 = 730,925.20 : x
  2. Step 2: Convert to fraction form
    831,815.60/1,241,706.22 = 730,925.20/x
  3. Step 3: Cross multiply
    831,815.60x = 1,241,706.22 × 730,925.20
  4. Step 4: Simplify right side
    831,815.60x = 907,594,367,194.74
  5. Step 5: Solve for x
    x = 907,594,367,194.74/831,815.60
  6. Step 6: Final answer
    x = 1,091,100.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.