Home / 651,636.20-976,676.70-272,556.20

Finding the Fourth Proportional to 651,636.20, 976,676.70 and 272,556.20

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Solution

The fourth proportional to 651,636.20, 976,676.70 and 272,556.20 is: 408,509.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,636.20 : 976,676.70 = 272,556.20 : x
  2. Step 2: Convert to fraction form
    651,636.20/976,676.70 = 272,556.20/x
  3. Step 3: Cross multiply
    651,636.20x = 976,676.70 × 272,556.20
  4. Step 4: Simplify right side
    651,636.20x = 266,199,289,980.54
  5. Step 5: Solve for x
    x = 266,199,289,980.54/651,636.20
  6. Step 6: Final answer
    x = 408,509.06

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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.