Home / 1,112,528.70-1,668,793.05-1,100,718.90

Finding the Fourth Proportional to 1,112,528.70, 1,668,793.05 and 1,100,718.90

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Solution

The fourth proportional to 1,112,528.70, 1,668,793.05 and 1,100,718.90 is: 1,651,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,528.70 : 1,668,793.05 = 1,100,718.90 : x
  2. Step 2: Convert to fraction form
    1,112,528.70/1,668,793.05 = 1,100,718.90/x
  3. Step 3: Cross multiply
    1,112,528.70x = 1,668,793.05 × 1,100,718.90
  4. Step 4: Simplify right side
    1,112,528.70x = 1,836,872,050,323.64
  5. Step 5: Solve for x
    x = 1,836,872,050,323.64/1,112,528.70
  6. Step 6: Final answer
    x = 1,651,078.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.