Home / 1,908,698.31-2,862,972.68-646,525.89

Finding the Fourth Proportional to 1,908,698.31, 2,862,972.68 and 646,525.89

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Solution

The fourth proportional to 1,908,698.31, 2,862,972.68 and 646,525.89 is: 969,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,698.31 : 2,862,972.68 = 646,525.89 : x
  2. Step 2: Convert to fraction form
    1,908,698.31/2,862,972.68 = 646,525.89/x
  3. Step 3: Cross multiply
    1,908,698.31x = 2,862,972.68 × 646,525.89
  4. Step 4: Simplify right side
    1,908,698.31x = 1,850,985,956,750.06
  5. Step 5: Solve for x
    x = 1,850,985,956,750.06/1,908,698.31
  6. Step 6: Final answer
    x = 969,763.50

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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.