Home / 1,211,576.20-1,813,427.70-943,887.40

Finding the Fourth Proportional to 1,211,576.20, 1,813,427.70 and 943,887.40

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Solution

The fourth proportional to 1,211,576.20, 1,813,427.70 and 943,887.40 is: 1,412,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,576.20 : 1,813,427.70 = 943,887.40 : x
  2. Step 2: Convert to fraction form
    1,211,576.20/1,813,427.70 = 943,887.40/x
  3. Step 3: Cross multiply
    1,211,576.20x = 1,813,427.70 × 943,887.40
  4. Step 4: Simplify right side
    1,211,576.20x = 1,711,671,556,840.98
  5. Step 5: Solve for x
    x = 1,711,671,556,840.98/1,211,576.20
  6. Step 6: Final answer
    x = 1,412,764.26

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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.