Home / 856,354.59-1,181,759.36-463,880.16

Finding the Fourth Proportional to 856,354.59, 1,181,759.36 and 463,880.16

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Solution

The fourth proportional to 856,354.59, 1,181,759.36 and 463,880.16 is: 640,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,354.59 : 1,181,759.36 = 463,880.16 : x
  2. Step 2: Convert to fraction form
    856,354.59/1,181,759.36 = 463,880.16/x
  3. Step 3: Cross multiply
    856,354.59x = 1,181,759.36 × 463,880.16
  4. Step 4: Simplify right side
    856,354.59x = 548,194,718,678.90
  5. Step 5: Solve for x
    x = 548,194,718,678.90/856,354.59
  6. Step 6: Final answer
    x = 640,149.22

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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.