Home / 651,211.45-976,669.58-230,487.37

Finding the Fourth Proportional to 651,211.45, 976,669.58 and 230,487.37

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Solution

The fourth proportional to 651,211.45, 976,669.58 and 230,487.37 is: 345,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,211.45 : 976,669.58 = 230,487.37 : x
  2. Step 2: Convert to fraction form
    651,211.45/976,669.58 = 230,487.37/x
  3. Step 3: Cross multiply
    651,211.45x = 976,669.58 × 230,487.37
  4. Step 4: Simplify right side
    651,211.45x = 225,110,001,700.77
  5. Step 5: Solve for x
    x = 225,110,001,700.77/651,211.45
  6. Step 6: Final answer
    x = 345,678.81

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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.