Home / 1,585,938.32-2,188,597.28-860,786.30

Finding the Fourth Proportional to 1,585,938.32, 2,188,597.28 and 860,786.30

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Solution

The fourth proportional to 1,585,938.32, 2,188,597.28 and 860,786.30 is: 1,187,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,938.32 : 2,188,597.28 = 860,786.30 : x
  2. Step 2: Convert to fraction form
    1,585,938.32/2,188,597.28 = 860,786.30/x
  3. Step 3: Cross multiply
    1,585,938.32x = 2,188,597.28 × 860,786.30
  4. Step 4: Simplify right side
    1,585,938.32x = 1,883,914,539,594.35
  5. Step 5: Solve for x
    x = 1,883,914,539,594.35/1,585,938.32
  6. Step 6: Final answer
    x = 1,187,886.39

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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.