Home / 1,319,674.68-1,979,259.30-561,933.72

Finding the Fourth Proportional to 1,319,674.68, 1,979,259.30 and 561,933.72

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Solution

The fourth proportional to 1,319,674.68, 1,979,259.30 and 561,933.72 is: 842,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,674.68 : 1,979,259.30 = 561,933.72 : x
  2. Step 2: Convert to fraction form
    1,319,674.68/1,979,259.30 = 561,933.72/x
  3. Step 3: Cross multiply
    1,319,674.68x = 1,979,259.30 × 561,933.72
  4. Step 4: Simplify right side
    1,319,674.68x = 1,112,212,541,293.60
  5. Step 5: Solve for x
    x = 1,112,212,541,293.60/1,319,674.68
  6. Step 6: Final answer
    x = 842,792.97

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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.