Home / 1,210,430.82-1,670,483.33-866,299.06

Finding the Fourth Proportional to 1,210,430.82, 1,670,483.33 and 866,299.06

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Solution

The fourth proportional to 1,210,430.82, 1,670,483.33 and 866,299.06 is: 1,195,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,430.82 : 1,670,483.33 = 866,299.06 : x
  2. Step 2: Convert to fraction form
    1,210,430.82/1,670,483.33 = 866,299.06/x
  3. Step 3: Cross multiply
    1,210,430.82x = 1,670,483.33 × 866,299.06
  4. Step 4: Simplify right side
    1,210,430.82x = 1,447,138,138,524.67
  5. Step 5: Solve for x
    x = 1,447,138,138,524.67/1,210,430.82
  6. Step 6: Final answer
    x = 1,195,556.26

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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.