Home / 1,259,945.15-1,738,680.98-716,071.46

Finding the Fourth Proportional to 1,259,945.15, 1,738,680.98 and 716,071.46

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Solution

The fourth proportional to 1,259,945.15, 1,738,680.98 and 716,071.46 is: 988,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,945.15 : 1,738,680.98 = 716,071.46 : x
  2. Step 2: Convert to fraction form
    1,259,945.15/1,738,680.98 = 716,071.46/x
  3. Step 3: Cross multiply
    1,259,945.15x = 1,738,680.98 × 716,071.46
  4. Step 4: Simplify right side
    1,259,945.15x = 1,245,019,815,549.07
  5. Step 5: Solve for x
    x = 1,245,019,815,549.07/1,259,945.15
  6. Step 6: Final answer
    x = 988,153.98

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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.