Home / 1,236,910.40-1,855,106.40-606,276.80

Finding the Fourth Proportional to 1,236,910.40, 1,855,106.40 and 606,276.80

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Solution

The fourth proportional to 1,236,910.40, 1,855,106.40 and 606,276.80 is: 909,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,910.40 : 1,855,106.40 = 606,276.80 : x
  2. Step 2: Convert to fraction form
    1,236,910.40/1,855,106.40 = 606,276.80/x
  3. Step 3: Cross multiply
    1,236,910.40x = 1,855,106.40 × 606,276.80
  4. Step 4: Simplify right side
    1,236,910.40x = 1,124,707,971,851.52
  5. Step 5: Solve for x
    x = 1,124,707,971,851.52/1,236,910.40
  6. Step 6: Final answer
    x = 909,288.15

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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.