Home / 1,275,964.71-1,913,947.07-377,336.45

Finding the Fourth Proportional to 1,275,964.71, 1,913,947.07 and 377,336.45

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Solution

The fourth proportional to 1,275,964.71, 1,913,947.07 and 377,336.45 is: 566,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,964.71 : 1,913,947.07 = 377,336.45 : x
  2. Step 2: Convert to fraction form
    1,275,964.71/1,913,947.07 = 377,336.45/x
  3. Step 3: Cross multiply
    1,275,964.71x = 1,913,947.07 × 377,336.45
  4. Step 4: Simplify right side
    1,275,964.71x = 722,201,990,995.02
  5. Step 5: Solve for x
    x = 722,201,990,995.02/1,275,964.71
  6. Step 6: Final answer
    x = 566,004.68

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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.