Home / 917,355.15-1,376,032.73-831,734.10

Finding the Fourth Proportional to 917,355.15, 1,376,032.73 and 831,734.10

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Solution

The fourth proportional to 917,355.15, 1,376,032.73 and 831,734.10 is: 1,247,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,355.15 : 1,376,032.73 = 831,734.10 : x
  2. Step 2: Convert to fraction form
    917,355.15/1,376,032.73 = 831,734.10/x
  3. Step 3: Cross multiply
    917,355.15x = 1,376,032.73 × 831,734.10
  4. Step 4: Simplify right side
    917,355.15x = 1,144,493,340,098.42
  5. Step 5: Solve for x
    x = 1,144,493,340,098.42/917,355.15
  6. Step 6: Final answer
    x = 1,247,601.15

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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.