Home / 1,556,415.71-2,147,846.53-858,677.54

Finding the Fourth Proportional to 1,556,415.71, 2,147,846.53 and 858,677.54

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Solution

The fourth proportional to 1,556,415.71, 2,147,846.53 and 858,677.54 is: 1,184,971.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,415.71 : 2,147,846.53 = 858,677.54 : x
  2. Step 2: Convert to fraction form
    1,556,415.71/2,147,846.53 = 858,677.54/x
  3. Step 3: Cross multiply
    1,556,415.71x = 2,147,846.53 × 858,677.54
  4. Step 4: Simplify right side
    1,556,415.71x = 1,844,307,574,677.94
  5. Step 5: Solve for x
    x = 1,844,307,574,677.94/1,556,415.71
  6. Step 6: Final answer
    x = 1,184,971.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.