Home / 1,441,561.36-1,989,024.73-860,671.66

Finding the Fourth Proportional to 1,441,561.36, 1,989,024.73 and 860,671.66

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Solution

The fourth proportional to 1,441,561.36, 1,989,024.73 and 860,671.66 is: 1,187,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,561.36 : 1,989,024.73 = 860,671.66 : x
  2. Step 2: Convert to fraction form
    1,441,561.36/1,989,024.73 = 860,671.66/x
  3. Step 3: Cross multiply
    1,441,561.36x = 1,989,024.73 × 860,671.66
  4. Step 4: Simplify right side
    1,441,561.36x = 1,711,897,216,150.15
  5. Step 5: Solve for x
    x = 1,711,897,216,150.15/1,441,561.36
  6. Step 6: Final answer
    x = 1,187,529.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.