Home / 651,401.08-976,768.26-272,218.24

Finding the Fourth Proportional to 651,401.08, 976,768.26 and 272,218.24

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Solution

The fourth proportional to 651,401.08, 976,768.26 and 272,218.24 is: 408,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,401.08 : 976,768.26 = 272,218.24 : x
  2. Step 2: Convert to fraction form
    651,401.08/976,768.26 = 272,218.24/x
  3. Step 3: Cross multiply
    651,401.08x = 976,768.26 × 272,218.24
  4. Step 4: Simplify right side
    651,401.08x = 265,894,136,625.06
  5. Step 5: Solve for x
    x = 265,894,136,625.06/651,401.08
  6. Step 6: Final answer
    x = 408,188.05

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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.