Home / 856,224.79-1,180,774.88-512,004.66

Finding the Fourth Proportional to 856,224.79, 1,180,774.88 and 512,004.66

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Solution

The fourth proportional to 856,224.79, 1,180,774.88 and 512,004.66 is: 706,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,224.79 : 1,180,774.88 = 512,004.66 : x
  2. Step 2: Convert to fraction form
    856,224.79/1,180,774.88 = 512,004.66/x
  3. Step 3: Cross multiply
    856,224.79x = 1,180,774.88 × 512,004.66
  4. Step 4: Simplify right side
    856,224.79x = 604,562,235,903.03
  5. Step 5: Solve for x
    x = 604,562,235,903.03/856,224.79
  6. Step 6: Final answer
    x = 706,078.88

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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.