Home / 1,585,649-2,188,211.67-860,502.98

Finding the Fourth Proportional to 1,585,649, 2,188,211.67 and 860,502.98

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Solution

The fourth proportional to 1,585,649, 2,188,211.67 and 860,502.98 is: 1,187,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,649 : 2,188,211.67 = 860,502.98 : x
  2. Step 2: Convert to fraction form
    1,585,649/2,188,211.67 = 860,502.98/x
  3. Step 3: Cross multiply
    1,585,649x = 2,188,211.67 × 860,502.98
  4. Step 4: Simplify right side
    1,585,649x = 1,882,962,662,905.78
  5. Step 5: Solve for x
    x = 1,882,962,662,905.78/1,585,649
  6. Step 6: Final answer
    x = 1,187,502.82

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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.