Home / 455,527.10-628,632.10-251,583.12

Finding the Fourth Proportional to 455,527.10, 628,632.10 and 251,583.12

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Solution

The fourth proportional to 455,527.10, 628,632.10 and 251,583.12 is: 347,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,527.10 : 628,632.10 = 251,583.12 : x
  2. Step 2: Convert to fraction form
    455,527.10/628,632.10 = 251,583.12/x
  3. Step 3: Cross multiply
    455,527.10x = 628,632.10 × 251,583.12
  4. Step 4: Simplify right side
    455,527.10x = 158,153,225,050.15
  5. Step 5: Solve for x
    x = 158,153,225,050.15/455,527.10
  6. Step 6: Final answer
    x = 347,187.30

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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.