Home / 1,093,712.40-1,639,402.20-419,533.20

Finding the Fourth Proportional to 1,093,712.40, 1,639,402.20 and 419,533.20

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Solution

The fourth proportional to 1,093,712.40, 1,639,402.20 and 419,533.20 is: 628,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,712.40 : 1,639,402.20 = 419,533.20 : x
  2. Step 2: Convert to fraction form
    1,093,712.40/1,639,402.20 = 419,533.20/x
  3. Step 3: Cross multiply
    1,093,712.40x = 1,639,402.20 × 419,533.20
  4. Step 4: Simplify right side
    1,093,712.40x = 687,783,651,053.04
  5. Step 5: Solve for x
    x = 687,783,651,053.04/1,093,712.40
  6. Step 6: Final answer
    x = 628,852.38

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1.5x scale

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.