Home / 1,688,611.15-2,330,238.26-963,445.69

Finding the Fourth Proportional to 1,688,611.15, 2,330,238.26 and 963,445.69

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Solution

The fourth proportional to 1,688,611.15, 2,330,238.26 and 963,445.69 is: 1,329,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,611.15 : 2,330,238.26 = 963,445.69 : x
  2. Step 2: Convert to fraction form
    1,688,611.15/2,330,238.26 = 963,445.69/x
  3. Step 3: Cross multiply
    1,688,611.15x = 2,330,238.26 × 963,445.69
  4. Step 4: Simplify right side
    1,688,611.15x = 2,245,057,991,801.68
  5. Step 5: Solve for x
    x = 2,245,057,991,801.68/1,688,611.15
  6. Step 6: Final answer
    x = 1,329,529.30

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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.