Home / 856,563.06-1,286,698.59-556,889.52

Finding the Fourth Proportional to 856,563.06, 1,286,698.59 and 556,889.52

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Solution

The fourth proportional to 856,563.06, 1,286,698.59 and 556,889.52 is: 836,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,563.06 : 1,286,698.59 = 556,889.52 : x
  2. Step 2: Convert to fraction form
    856,563.06/1,286,698.59 = 556,889.52/x
  3. Step 3: Cross multiply
    856,563.06x = 1,286,698.59 × 556,889.52
  4. Step 4: Simplify right side
    856,563.06x = 716,548,960,169.78
  5. Step 5: Solve for x
    x = 716,548,960,169.78/856,563.06
  6. Step 6: Final answer
    x = 836,539.65

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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.