Home / 918,325.20-1,374,766.20-682,712.40

Finding the Fourth Proportional to 918,325.20, 1,374,766.20 and 682,712.40

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Solution

The fourth proportional to 918,325.20, 1,374,766.20 and 682,712.40 is: 1,022,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,325.20 : 1,374,766.20 = 682,712.40 : x
  2. Step 2: Convert to fraction form
    918,325.20/1,374,766.20 = 682,712.40/x
  3. Step 3: Cross multiply
    918,325.20x = 1,374,766.20 × 682,712.40
  4. Step 4: Simplify right side
    918,325.20x = 938,569,931,840.88
  5. Step 5: Solve for x
    x = 938,569,931,840.88/918,325.20
  6. Step 6: Final answer
    x = 1,022,045.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.