Home / 1,043,246.56-1,439,580.72-828,905.44

Finding the Fourth Proportional to 1,043,246.56, 1,439,580.72 and 828,905.44

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Solution

The fourth proportional to 1,043,246.56, 1,439,580.72 and 828,905.44 is: 1,143,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,246.56 : 1,439,580.72 = 828,905.44 : x
  2. Step 2: Convert to fraction form
    1,043,246.56/1,439,580.72 = 828,905.44/x
  3. Step 3: Cross multiply
    1,043,246.56x = 1,439,580.72 × 828,905.44
  4. Step 4: Simplify right side
    1,043,246.56x = 1,193,276,290,127.12
  5. Step 5: Solve for x
    x = 1,193,276,290,127.12/1,043,246.56
  6. Step 6: Final answer
    x = 1,143,810.42

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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.