Home / 1,299,805.47-1,949,527.85-401,276.79

Finding the Fourth Proportional to 1,299,805.47, 1,949,527.85 and 401,276.79

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Solution

The fourth proportional to 1,299,805.47, 1,949,527.85 and 401,276.79 is: 601,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,805.47 : 1,949,527.85 = 401,276.79 : x
  2. Step 2: Convert to fraction form
    1,299,805.47/1,949,527.85 = 401,276.79/x
  3. Step 3: Cross multiply
    1,299,805.47x = 1,949,527.85 × 401,276.79
  4. Step 4: Simplify right side
    1,299,805.47x = 782,300,275,657.22
  5. Step 5: Solve for x
    x = 782,300,275,657.22/1,299,805.47
  6. Step 6: Final answer
    x = 601,859.50

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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.