Home / 1,293,150.40-1,939,605.92-609,880.58

Finding the Fourth Proportional to 1,293,150.40, 1,939,605.92 and 609,880.58

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Solution

The fourth proportional to 1,293,150.40, 1,939,605.92 and 609,880.58 is: 914,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,150.40 : 1,939,605.92 = 609,880.58 : x
  2. Step 2: Convert to fraction form
    1,293,150.40/1,939,605.92 = 609,880.58/x
  3. Step 3: Cross multiply
    1,293,150.40x = 1,939,605.92 × 609,880.58
  4. Step 4: Simplify right side
    1,293,150.40x = 1,182,927,983,461.03
  5. Step 5: Solve for x
    x = 1,182,927,983,461.03/1,293,150.40
  6. Step 6: Final answer
    x = 914,764.43

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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.