Home / 1,786,990.40-2,466,065.82-971,194.17

Finding the Fourth Proportional to 1,786,990.40, 2,466,065.82 and 971,194.17

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Solution

The fourth proportional to 1,786,990.40, 2,466,065.82 and 971,194.17 is: 1,340,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,990.40 : 2,466,065.82 = 971,194.17 : x
  2. Step 2: Convert to fraction form
    1,786,990.40/2,466,065.82 = 971,194.17/x
  3. Step 3: Cross multiply
    1,786,990.40x = 2,466,065.82 × 971,194.17
  4. Step 4: Simplify right side
    1,786,990.40x = 2,395,028,747,220.27
  5. Step 5: Solve for x
    x = 2,395,028,747,220.27/1,786,990.40
  6. Step 6: Final answer
    x = 1,340,258.32

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1.5x scale

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.