Home / 1,402,183.42-2,103,628.97-391,304.54

Finding the Fourth Proportional to 1,402,183.42, 2,103,628.97 and 391,304.54

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Solution

The fourth proportional to 1,402,183.42, 2,103,628.97 and 391,304.54 is: 587,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,183.42 : 2,103,628.97 = 391,304.54 : x
  2. Step 2: Convert to fraction form
    1,402,183.42/2,103,628.97 = 391,304.54/x
  3. Step 3: Cross multiply
    1,402,183.42x = 2,103,628.97 × 391,304.54
  4. Step 4: Simplify right side
    1,402,183.42x = 823,159,566,436.52
  5. Step 5: Solve for x
    x = 823,159,566,436.52/1,402,183.42
  6. Step 6: Final answer
    x = 587,055.56

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1.5x scale

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.