Home / 1,620,032.56-2,235,621.64-884,977.92

Finding the Fourth Proportional to 1,620,032.56, 2,235,621.64 and 884,977.92

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Solution

The fourth proportional to 1,620,032.56, 2,235,621.64 and 884,977.92 is: 1,221,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,032.56 : 2,235,621.64 = 884,977.92 : x
  2. Step 2: Convert to fraction form
    1,620,032.56/2,235,621.64 = 884,977.92/x
  3. Step 3: Cross multiply
    1,620,032.56x = 2,235,621.64 × 884,977.92
  4. Step 4: Simplify right side
    1,620,032.56x = 1,978,475,788,874.19
  5. Step 5: Solve for x
    x = 1,978,475,788,874.19/1,620,032.56
  6. Step 6: Final answer
    x = 1,221,256.81

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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.