Home / 860,467.71-1,187,770.20-739,123.23

Finding the Fourth Proportional to 860,467.71, 1,187,770.20 and 739,123.23

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Solution

The fourth proportional to 860,467.71, 1,187,770.20 and 739,123.23 is: 1,020,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,467.71 : 1,187,770.20 = 739,123.23 : x
  2. Step 2: Convert to fraction form
    860,467.71/1,187,770.20 = 739,123.23/x
  3. Step 3: Cross multiply
    860,467.71x = 1,187,770.20 × 739,123.23
  4. Step 4: Simplify right side
    860,467.71x = 877,908,546,721.75
  5. Step 5: Solve for x
    x = 877,908,546,721.75/860,467.71
  6. Step 6: Final answer
    x = 1,020,269.02

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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.