Home / 640,923.77-961,384.44-241,654.12

Finding the Fourth Proportional to 640,923.77, 961,384.44 and 241,654.12

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Solution

The fourth proportional to 640,923.77, 961,384.44 and 241,654.12 is: 362,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,923.77 : 961,384.44 = 241,654.12 : x
  2. Step 2: Convert to fraction form
    640,923.77/961,384.44 = 241,654.12/x
  3. Step 3: Cross multiply
    640,923.77x = 961,384.44 × 241,654.12
  4. Step 4: Simplify right side
    640,923.77x = 232,322,510,829.89
  5. Step 5: Solve for x
    x = 232,322,510,829.89/640,923.77
  6. Step 6: Final answer
    x = 362,480.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.