Home / 1,216,820.08-1,825,090.65-318,348.52

Finding the Fourth Proportional to 1,216,820.08, 1,825,090.65 and 318,348.52

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Solution

The fourth proportional to 1,216,820.08, 1,825,090.65 and 318,348.52 is: 477,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,820.08 : 1,825,090.65 = 318,348.52 : x
  2. Step 2: Convert to fraction form
    1,216,820.08/1,825,090.65 = 318,348.52/x
  3. Step 3: Cross multiply
    1,216,820.08x = 1,825,090.65 × 318,348.52
  4. Step 4: Simplify right side
    1,216,820.08x = 581,014,907,293.34
  5. Step 5: Solve for x
    x = 581,014,907,293.34/1,216,820.08
  6. Step 6: Final answer
    x = 477,486.29

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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.