Home / 831,814.60-1,241,704.73-730,924.20

Finding the Fourth Proportional to 831,814.60, 1,241,704.73 and 730,924.20

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Solution

The fourth proportional to 831,814.60, 1,241,704.73 and 730,924.20 is: 1,091,098.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,814.60 : 1,241,704.73 = 730,924.20 : x
  2. Step 2: Convert to fraction form
    831,814.60/1,241,704.73 = 730,924.20/x
  3. Step 3: Cross multiply
    831,814.60x = 1,241,704.73 × 730,924.20
  4. Step 4: Simplify right side
    831,814.60x = 907,592,036,411.47
  5. Step 5: Solve for x
    x = 907,592,036,411.47/831,814.60
  6. Step 6: Final answer
    x = 1,091,098.95

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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.