Home / 1,908,198.09-2,862,580.53-628,569.20

Finding the Fourth Proportional to 1,908,198.09, 2,862,580.53 and 628,569.20

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Solution

The fourth proportional to 1,908,198.09, 2,862,580.53 and 628,569.20 is: 942,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,198.09 : 2,862,580.53 = 628,569.20 : x
  2. Step 2: Convert to fraction form
    1,908,198.09/2,862,580.53 = 628,569.20/x
  3. Step 3: Cross multiply
    1,908,198.09x = 2,862,580.53 × 628,569.20
  4. Step 4: Simplify right side
    1,908,198.09x = 1,799,329,939,364.77
  5. Step 5: Solve for x
    x = 1,799,329,939,364.77/1,908,198.09
  6. Step 6: Final answer
    x = 942,947.14

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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.