Home / 1,693,643.78-2,539,930.62-556,218.56

Finding the Fourth Proportional to 1,693,643.78, 2,539,930.62 and 556,218.56

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Solution

The fourth proportional to 1,693,643.78, 2,539,930.62 and 556,218.56 is: 834,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,643.78 : 2,539,930.62 = 556,218.56 : x
  2. Step 2: Convert to fraction form
    1,693,643.78/2,539,930.62 = 556,218.56/x
  3. Step 3: Cross multiply
    1,693,643.78x = 2,539,930.62 × 556,218.56
  4. Step 4: Simplify right side
    1,693,643.78x = 1,412,756,551,956.31
  5. Step 5: Solve for x
    x = 1,412,756,551,956.31/1,693,643.78
  6. Step 6: Final answer
    x = 834,152.12

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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.