Home / 942,681.75-1,302,212.90-907,684.38

Finding the Fourth Proportional to 942,681.75, 1,302,212.90 and 907,684.38

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Solution

The fourth proportional to 942,681.75, 1,302,212.90 and 907,684.38 is: 1,253,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,681.75 : 1,302,212.90 = 907,684.38 : x
  2. Step 2: Convert to fraction form
    942,681.75/1,302,212.90 = 907,684.38/x
  3. Step 3: Cross multiply
    942,681.75x = 1,302,212.90 × 907,684.38
  4. Step 4: Simplify right side
    942,681.75x = 1,181,998,314,289.25
  5. Step 5: Solve for x
    x = 1,181,998,314,289.25/942,681.75
  6. Step 6: Final answer
    x = 1,253,867.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.