Home / 1,219,765.64-1,682,724.58-736,176.20

Finding the Fourth Proportional to 1,219,765.64, 1,682,724.58 and 736,176.20

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Solution

The fourth proportional to 1,219,765.64, 1,682,724.58 and 736,176.20 is: 1,015,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,765.64 : 1,682,724.58 = 736,176.20 : x
  2. Step 2: Convert to fraction form
    1,219,765.64/1,682,724.58 = 736,176.20/x
  3. Step 3: Cross multiply
    1,219,765.64x = 1,682,724.58 × 736,176.20
  4. Step 4: Simplify right side
    1,219,765.64x = 1,238,781,776,696.93
  5. Step 5: Solve for x
    x = 1,238,781,776,696.93/1,219,765.64
  6. Step 6: Final answer
    x = 1,015,590.00

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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.