Home / 1,585,528.28-2,188,017.92-860,357.55

Finding the Fourth Proportional to 1,585,528.28, 2,188,017.92 and 860,357.55

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Solution

The fourth proportional to 1,585,528.28, 2,188,017.92 and 860,357.55 is: 1,187,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,528.28 : 2,188,017.92 = 860,357.55 : x
  2. Step 2: Convert to fraction form
    1,585,528.28/2,188,017.92 = 860,357.55/x
  3. Step 3: Cross multiply
    1,585,528.28x = 2,188,017.92 × 860,357.55
  4. Step 4: Simplify right side
    1,585,528.28x = 1,882,477,732,705.51
  5. Step 5: Solve for x
    x = 1,882,477,732,705.51/1,585,528.28
  6. Step 6: Final answer
    x = 1,187,287.39

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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.