Home / 860,771.34-1,289,660.70-604,059.48

Finding the Fourth Proportional to 860,771.34, 1,289,660.70 and 604,059.48

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Solution

The fourth proportional to 860,771.34, 1,289,660.70 and 604,059.48 is: 905,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,771.34 : 1,289,660.70 = 604,059.48 : x
  2. Step 2: Convert to fraction form
    860,771.34/1,289,660.70 = 604,059.48/x
  3. Step 3: Cross multiply
    860,771.34x = 1,289,660.70 × 604,059.48
  4. Step 4: Simplify right side
    860,771.34x = 779,031,771,818.44
  5. Step 5: Solve for x
    x = 779,031,771,818.44/860,771.34
  6. Step 6: Final answer
    x = 905,039.16

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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.