Home / 1,640,247.95-2,263,538.85-915,052.42

Finding the Fourth Proportional to 1,640,247.95, 2,263,538.85 and 915,052.42

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Solution

The fourth proportional to 1,640,247.95, 2,263,538.85 and 915,052.42 is: 1,262,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,247.95 : 2,263,538.85 = 915,052.42 : x
  2. Step 2: Convert to fraction form
    1,640,247.95/2,263,538.85 = 915,052.42/x
  3. Step 3: Cross multiply
    1,640,247.95x = 2,263,538.85 × 915,052.42
  4. Step 4: Simplify right side
    1,640,247.95x = 2,071,256,698,061.88
  5. Step 5: Solve for x
    x = 2,071,256,698,061.88/1,640,247.95
  6. Step 6: Final answer
    x = 1,262,770.48

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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.