Home / 451,030.20-622,421.91-247,088.49

Finding the Fourth Proportional to 451,030.20, 622,421.91 and 247,088.49

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Solution

The fourth proportional to 451,030.20, 622,421.91 and 247,088.49 is: 340,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.20 : 622,421.91 = 247,088.49 : x
  2. Step 2: Convert to fraction form
    451,030.20/622,421.91 = 247,088.49/x
  3. Step 3: Cross multiply
    451,030.20x = 622,421.91 × 247,088.49
  4. Step 4: Simplify right side
    451,030.20x = 153,793,289,884.82
  5. Step 5: Solve for x
    x = 153,793,289,884.82/451,030.20
  6. Step 6: Final answer
    x = 340,982.24

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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.