Home / 1,232,109.77-1,700,200.67-688,170.06

Finding the Fourth Proportional to 1,232,109.77, 1,700,200.67 and 688,170.06

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Solution

The fourth proportional to 1,232,109.77, 1,700,200.67 and 688,170.06 is: 949,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,109.77 : 1,700,200.67 = 688,170.06 : x
  2. Step 2: Convert to fraction form
    1,232,109.77/1,700,200.67 = 688,170.06/x
  3. Step 3: Cross multiply
    1,232,109.77x = 1,700,200.67 × 688,170.06
  4. Step 4: Simplify right side
    1,232,109.77x = 1,170,027,193,645.09
  5. Step 5: Solve for x
    x = 1,170,027,193,645.09/1,232,109.77
  6. Step 6: Final answer
    x = 949,612.79

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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.