Home / 1,077,161.40-1,615,742.10-657,257.40

Finding the Fourth Proportional to 1,077,161.40, 1,615,742.10 and 657,257.40

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Solution

The fourth proportional to 1,077,161.40, 1,615,742.10 and 657,257.40 is: 985,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,161.40 : 1,615,742.10 = 657,257.40 : x
  2. Step 2: Convert to fraction form
    1,077,161.40/1,615,742.10 = 657,257.40/x
  3. Step 3: Cross multiply
    1,077,161.40x = 1,615,742.10 × 657,257.40
  4. Step 4: Simplify right side
    1,077,161.40x = 1,061,958,451,716.54
  5. Step 5: Solve for x
    x = 1,061,958,451,716.54/1,077,161.40
  6. Step 6: Final answer
    x = 985,886.10

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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.