Home / 476,618.64-714,927.36-121,632.66

Finding the Fourth Proportional to 476,618.64, 714,927.36 and 121,632.66

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Solution

The fourth proportional to 476,618.64, 714,927.36 and 121,632.66 is: 182,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,618.64 : 714,927.36 = 121,632.66 : x
  2. Step 2: Convert to fraction form
    476,618.64/714,927.36 = 121,632.66/x
  3. Step 3: Cross multiply
    476,618.64x = 714,927.36 × 121,632.66
  4. Step 4: Simplify right side
    476,618.64x = 86,958,516,503.58
  5. Step 5: Solve for x
    x = 86,958,516,503.58/476,618.64
  6. Step 6: Final answer
    x = 182,448.84

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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.