Home / 1,178,777.56-1,768,178.69-943,615.12

Finding the Fourth Proportional to 1,178,777.56, 1,768,178.69 and 943,615.12

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Solution

The fourth proportional to 1,178,777.56, 1,768,178.69 and 943,615.12 is: 1,415,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,777.56 : 1,768,178.69 = 943,615.12 : x
  2. Step 2: Convert to fraction form
    1,178,777.56/1,768,178.69 = 943,615.12/x
  3. Step 3: Cross multiply
    1,178,777.56x = 1,768,178.69 × 943,615.12
  4. Step 4: Simplify right side
    1,178,777.56x = 1,668,480,149,104.83
  5. Step 5: Solve for x
    x = 1,668,480,149,104.83/1,178,777.56
  6. Step 6: Final answer
    x = 1,415,432.57

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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.