Home / 683,103.69-942,698.08-377,179.25

Finding the Fourth Proportional to 683,103.69, 942,698.08 and 377,179.25

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Solution

The fourth proportional to 683,103.69, 942,698.08 and 377,179.25 is: 520,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,103.69 : 942,698.08 = 377,179.25 : x
  2. Step 2: Convert to fraction form
    683,103.69/942,698.08 = 377,179.25/x
  3. Step 3: Cross multiply
    683,103.69x = 942,698.08 × 377,179.25
  4. Step 4: Simplify right side
    683,103.69x = 355,566,154,790.84
  5. Step 5: Solve for x
    x = 355,566,154,790.84/683,103.69
  6. Step 6: Final answer
    x = 520,515.64

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1.5x scale

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.