Home / 1,100,675.38-1,518,288.58-692,130.42

Finding the Fourth Proportional to 1,100,675.38, 1,518,288.58 and 692,130.42

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Solution

The fourth proportional to 1,100,675.38, 1,518,288.58 and 692,130.42 is: 954,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,675.38 : 1,518,288.58 = 692,130.42 : x
  2. Step 2: Convert to fraction form
    1,100,675.38/1,518,288.58 = 692,130.42/x
  3. Step 3: Cross multiply
    1,100,675.38x = 1,518,288.58 × 692,130.42
  4. Step 4: Simplify right side
    1,100,675.38x = 1,050,853,712,556.60
  5. Step 5: Solve for x
    x = 1,050,853,712,556.60/1,100,675.38
  6. Step 6: Final answer
    x = 954,735.37

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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.