Home / 937,104.30-1,405,328.40-487,675.80

Finding the Fourth Proportional to 937,104.30, 1,405,328.40 and 487,675.80

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Solution

The fourth proportional to 937,104.30, 1,405,328.40 and 487,675.80 is: 731,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,104.30 : 1,405,328.40 = 487,675.80 : x
  2. Step 2: Convert to fraction form
    937,104.30/1,405,328.40 = 487,675.80/x
  3. Step 3: Cross multiply
    937,104.30x = 1,405,328.40 × 487,675.80
  4. Step 4: Simplify right side
    937,104.30x = 685,344,651,732.72
  5. Step 5: Solve for x
    x = 685,344,651,732.72/937,104.30
  6. Step 6: Final answer
    x = 731,342.98

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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.