Home / 1,289,076.12-1,932,933.72-435,854.52

Finding the Fourth Proportional to 1,289,076.12, 1,932,933.72 and 435,854.52

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Solution

The fourth proportional to 1,289,076.12, 1,932,933.72 and 435,854.52 is: 653,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,076.12 : 1,932,933.72 = 435,854.52 : x
  2. Step 2: Convert to fraction form
    1,289,076.12/1,932,933.72 = 435,854.52/x
  3. Step 3: Cross multiply
    1,289,076.12x = 1,932,933.72 × 435,854.52
  4. Step 4: Simplify right side
    1,289,076.12x = 842,477,898,722.41
  5. Step 5: Solve for x
    x = 842,477,898,722.41/1,289,076.12
  6. Step 6: Final answer
    x = 653,551.71

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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.