Home / 860,772.34-1,289,662.20-604,060.48

Finding the Fourth Proportional to 860,772.34, 1,289,662.20 and 604,060.48

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Solution

The fourth proportional to 860,772.34, 1,289,662.20 and 604,060.48 is: 905,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,772.34 : 1,289,662.20 = 604,060.48 : x
  2. Step 2: Convert to fraction form
    860,772.34/1,289,662.20 = 604,060.48/x
  3. Step 3: Cross multiply
    860,772.34x = 1,289,662.20 × 604,060.48
  4. Step 4: Simplify right side
    860,772.34x = 779,033,967,569.86
  5. Step 5: Solve for x
    x = 779,033,967,569.86/860,772.34
  6. Step 6: Final answer
    x = 905,040.66

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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.