Home / 860,638.81-1,289,777.19-544,529.83

Finding the Fourth Proportional to 860,638.81, 1,289,777.19 and 544,529.83

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Solution

The fourth proportional to 860,638.81, 1,289,777.19 and 544,529.83 is: 816,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,638.81 : 1,289,777.19 = 544,529.83 : x
  2. Step 2: Convert to fraction form
    860,638.81/1,289,777.19 = 544,529.83/x
  3. Step 3: Cross multiply
    860,638.81x = 1,289,777.19 × 544,529.83
  4. Step 4: Simplify right side
    860,638.81x = 702,322,154,008.58
  5. Step 5: Solve for x
    x = 702,322,154,008.58/860,638.81
  6. Step 6: Final answer
    x = 816,047.51

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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.