Home / 1,585,857.29-2,188,485.20-860,705.00

Finding the Fourth Proportional to 1,585,857.29, 2,188,485.20 and 860,705.00

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Solution

The fourth proportional to 1,585,857.29, 2,188,485.20 and 860,705.00 is: 1,187,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,857.29 : 2,188,485.20 = 860,705.00 : x
  2. Step 2: Convert to fraction form
    1,585,857.29/2,188,485.20 = 860,705.00/x
  3. Step 3: Cross multiply
    1,585,857.29x = 2,188,485.20 × 860,705.00
  4. Step 4: Simplify right side
    1,585,857.29x = 1,883,640,138,820.05
  5. Step 5: Solve for x
    x = 1,883,640,138,820.05/1,585,857.29
  6. Step 6: Final answer
    x = 1,187,774.05

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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.