Home / 380,534.03-570,847.95-124,360.55

Finding the Fourth Proportional to 380,534.03, 570,847.95 and 124,360.55

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Solution

The fourth proportional to 380,534.03, 570,847.95 and 124,360.55 is: 186,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,534.03 : 570,847.95 = 124,360.55 : x
  2. Step 2: Convert to fraction form
    380,534.03/570,847.95 = 124,360.55/x
  3. Step 3: Cross multiply
    380,534.03x = 570,847.95 × 124,360.55
  4. Step 4: Simplify right side
    380,534.03x = 70,990,965,028.37
  5. Step 5: Solve for x
    x = 70,990,965,028.37/380,534.03
  6. Step 6: Final answer
    x = 186,556.15

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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.