Home / 881,169.51-1,216,074.06-499,199.43

Finding the Fourth Proportional to 881,169.51, 1,216,074.06 and 499,199.43

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Solution

The fourth proportional to 881,169.51, 1,216,074.06 and 499,199.43 is: 688,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,169.51 : 1,216,074.06 = 499,199.43 : x
  2. Step 2: Convert to fraction form
    881,169.51/1,216,074.06 = 499,199.43/x
  3. Step 3: Cross multiply
    881,169.51x = 1,216,074.06 × 499,199.43
  4. Step 4: Simplify right side
    881,169.51x = 607,063,477,589.79
  5. Step 5: Solve for x
    x = 607,063,477,589.79/881,169.51
  6. Step 6: Final answer
    x = 688,929.28

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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.