Home / 1,585,975.77-2,188,587.87-860,807.94

Finding the Fourth Proportional to 1,585,975.77, 2,188,587.87 and 860,807.94

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Solution

The fourth proportional to 1,585,975.77, 2,188,587.87 and 860,807.94 is: 1,187,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,975.77 : 2,188,587.87 = 860,807.94 : x
  2. Step 2: Convert to fraction form
    1,585,975.77/2,188,587.87 = 860,807.94/x
  3. Step 3: Cross multiply
    1,585,975.77x = 2,188,587.87 × 860,807.94
  4. Step 4: Simplify right side
    1,585,975.77x = 1,883,953,815,883.69
  5. Step 5: Solve for x
    x = 1,883,953,815,883.69/1,585,975.77
  6. Step 6: Final answer
    x = 1,187,883.10

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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.