Home / 831,818.60-1,241,710.69-730,928.20

Finding the Fourth Proportional to 831,818.60, 1,241,710.69 and 730,928.20

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Solution

The fourth proportional to 831,818.60, 1,241,710.69 and 730,928.20 is: 1,091,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,818.60 : 1,241,710.69 = 730,928.20 : x
  2. Step 2: Convert to fraction form
    831,818.60/1,241,710.69 = 730,928.20/x
  3. Step 3: Cross multiply
    831,818.60x = 1,241,710.69 × 730,928.20
  4. Step 4: Simplify right side
    831,818.60x = 907,601,359,562.46
  5. Step 5: Solve for x
    x = 907,601,359,562.46/831,818.60
  6. Step 6: Final answer
    x = 1,091,104.91

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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.