Home / 1,191,504.76-1,645,068.39-915,370.84

Finding the Fourth Proportional to 1,191,504.76, 1,645,068.39 and 915,370.84

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Solution

The fourth proportional to 1,191,504.76, 1,645,068.39 and 915,370.84 is: 1,263,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,504.76 : 1,645,068.39 = 915,370.84 : x
  2. Step 2: Convert to fraction form
    1,191,504.76/1,645,068.39 = 915,370.84/x
  3. Step 3: Cross multiply
    1,191,504.76x = 1,645,068.39 × 915,370.84
  4. Step 4: Simplify right side
    1,191,504.76x = 1,505,847,632,635.44
  5. Step 5: Solve for x
    x = 1,505,847,632,635.44/1,191,504.76
  6. Step 6: Final answer
    x = 1,263,820.08

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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.