Home / 1,574,806.20-2,173,231.98-859,414.20

Finding the Fourth Proportional to 1,574,806.20, 2,173,231.98 and 859,414.20

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Solution

The fourth proportional to 1,574,806.20, 2,173,231.98 and 859,414.20 is: 1,185,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,806.20 : 2,173,231.98 = 859,414.20 : x
  2. Step 2: Convert to fraction form
    1,574,806.20/2,173,231.98 = 859,414.20/x
  3. Step 3: Cross multiply
    1,574,806.20x = 2,173,231.98 × 859,414.20
  4. Step 4: Simplify right side
    1,574,806.20x = 1,867,706,423,506.12
  5. Step 5: Solve for x
    x = 1,867,706,423,506.12/1,574,806.20
  6. Step 6: Final answer
    x = 1,185,991.28

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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.