Home / 1,177,810.37-1,626,388.56-1,139,723.76

Finding the Fourth Proportional to 1,177,810.37, 1,626,388.56 and 1,139,723.76

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Solution

The fourth proportional to 1,177,810.37, 1,626,388.56 and 1,139,723.76 is: 1,573,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,810.37 : 1,626,388.56 = 1,139,723.76 : x
  2. Step 2: Convert to fraction form
    1,177,810.37/1,626,388.56 = 1,139,723.76/x
  3. Step 3: Cross multiply
    1,177,810.37x = 1,626,388.56 × 1,139,723.76
  4. Step 4: Simplify right side
    1,177,810.37x = 1,853,633,679,125.57
  5. Step 5: Solve for x
    x = 1,853,633,679,125.57/1,177,810.37
  6. Step 6: Final answer
    x = 1,573,796.37

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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.