Home / 1,112,465.53-1,535,193.16-629,125.57

Finding the Fourth Proportional to 1,112,465.53, 1,535,193.16 and 629,125.57

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Solution

The fourth proportional to 1,112,465.53, 1,535,193.16 and 629,125.57 is: 868,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,465.53 : 1,535,193.16 = 629,125.57 : x
  2. Step 2: Convert to fraction form
    1,112,465.53/1,535,193.16 = 629,125.57/x
  3. Step 3: Cross multiply
    1,112,465.53x = 1,535,193.16 × 629,125.57
  4. Step 4: Simplify right side
    1,112,465.53x = 965,829,271,845.10
  5. Step 5: Solve for x
    x = 965,829,271,845.10/1,112,465.53
  6. Step 6: Final answer
    x = 868,188.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.