Home / 1,158,511.20-1,739,735.10-859,329.60

Finding the Fourth Proportional to 1,158,511.20, 1,739,735.10 and 859,329.60

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Solution

The fourth proportional to 1,158,511.20, 1,739,735.10 and 859,329.60 is: 1,290,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,511.20 : 1,739,735.10 = 859,329.60 : x
  2. Step 2: Convert to fraction form
    1,158,511.20/1,739,735.10 = 859,329.60/x
  3. Step 3: Cross multiply
    1,158,511.20x = 1,739,735.10 × 859,329.60
  4. Step 4: Simplify right side
    1,158,511.20x = 1,495,005,867,588.96
  5. Step 5: Solve for x
    x = 1,495,005,867,588.96/1,158,511.20
  6. Step 6: Final answer
    x = 1,290,454.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.