Home / 1,201,591.46-1,658,163.35-685,333.71

Finding the Fourth Proportional to 1,201,591.46, 1,658,163.35 and 685,333.71

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Solution

The fourth proportional to 1,201,591.46, 1,658,163.35 and 685,333.71 is: 945,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,591.46 : 1,658,163.35 = 685,333.71 : x
  2. Step 2: Convert to fraction form
    1,201,591.46/1,658,163.35 = 685,333.71/x
  3. Step 3: Cross multiply
    1,201,591.46x = 1,658,163.35 × 685,333.71
  4. Step 4: Simplify right side
    1,201,591.46x = 1,136,395,242,154.86
  5. Step 5: Solve for x
    x = 1,136,395,242,154.86/1,201,591.46
  6. Step 6: Final answer
    x = 945,741.77

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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.