Home / 1,792,078.21-2,686,503.20-654,041.90

Finding the Fourth Proportional to 1,792,078.21, 2,686,503.20 and 654,041.90

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Solution

The fourth proportional to 1,792,078.21, 2,686,503.20 and 654,041.90 is: 980,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,078.21 : 2,686,503.20 = 654,041.90 : x
  2. Step 2: Convert to fraction form
    1,792,078.21/2,686,503.20 = 654,041.90/x
  3. Step 3: Cross multiply
    1,792,078.21x = 2,686,503.20 × 654,041.90
  4. Step 4: Simplify right side
    1,792,078.21x = 1,757,085,657,284.08
  5. Step 5: Solve for x
    x = 1,757,085,657,284.08/1,792,078.21
  6. Step 6: Final answer
    x = 980,473.76

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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.