Home / 1,585,977.95-2,188,590.93-860,810.22

Finding the Fourth Proportional to 1,585,977.95, 2,188,590.93 and 860,810.22

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Solution

The fourth proportional to 1,585,977.95, 2,188,590.93 and 860,810.22 is: 1,187,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,977.95 : 2,188,590.93 = 860,810.22 : x
  2. Step 2: Convert to fraction form
    1,585,977.95/2,188,590.93 = 860,810.22/x
  3. Step 3: Cross multiply
    1,585,977.95x = 2,188,590.93 × 860,810.22
  4. Step 4: Simplify right side
    1,585,977.95x = 1,883,961,439,943.30
  5. Step 5: Solve for x
    x = 1,883,961,439,943.30/1,585,977.95
  6. Step 6: Final answer
    x = 1,187,886.27

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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.