Home / 1,511,168-2,085,411.84-832,102.88

Finding the Fourth Proportional to 1,511,168, 2,085,411.84 and 832,102.88

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Solution

The fourth proportional to 1,511,168, 2,085,411.84 and 832,102.88 is: 1,148,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,168 : 2,085,411.84 = 832,102.88 : x
  2. Step 2: Convert to fraction form
    1,511,168/2,085,411.84 = 832,102.88/x
  3. Step 3: Cross multiply
    1,511,168x = 2,085,411.84 × 832,102.88
  4. Step 4: Simplify right side
    1,511,168x = 1,735,277,198,050.10
  5. Step 5: Solve for x
    x = 1,735,277,198,050.10/1,511,168
  6. Step 6: Final answer
    x = 1,148,301.97

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1.5x scale

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.