Home / 1,037,905.80-1,556,907.30-327,989.40

Finding the Fourth Proportional to 1,037,905.80, 1,556,907.30 and 327,989.40

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Solution

The fourth proportional to 1,037,905.80, 1,556,907.30 and 327,989.40 is: 491,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,905.80 : 1,556,907.30 = 327,989.40 : x
  2. Step 2: Convert to fraction form
    1,037,905.80/1,556,907.30 = 327,989.40/x
  3. Step 3: Cross multiply
    1,037,905.80x = 1,556,907.30 × 327,989.40
  4. Step 4: Simplify right side
    1,037,905.80x = 510,649,091,182.62
  5. Step 5: Solve for x
    x = 510,649,091,182.62/1,037,905.80
  6. Step 6: Final answer
    x = 491,999.46

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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.