Home / 1,326,767.40-1,991,071.19-607,196.90

Finding the Fourth Proportional to 1,326,767.40, 1,991,071.19 and 607,196.90

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Solution

The fourth proportional to 1,326,767.40, 1,991,071.19 and 607,196.90 is: 911,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,767.40 : 1,991,071.19 = 607,196.90 : x
  2. Step 2: Convert to fraction form
    1,326,767.40/1,991,071.19 = 607,196.90/x
  3. Step 3: Cross multiply
    1,326,767.40x = 1,991,071.19 × 607,196.90
  4. Step 4: Simplify right side
    1,326,767.40x = 1,208,972,260,742.98
  5. Step 5: Solve for x
    x = 1,208,972,260,742.98/1,326,767.40
  6. Step 6: Final answer
    x = 911,216.44

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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.