Home / 856,329.88-1,181,720.46-474,348.64

Finding the Fourth Proportional to 856,329.88, 1,181,720.46 and 474,348.64

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Solution

The fourth proportional to 856,329.88, 1,181,720.46 and 474,348.64 is: 654,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,329.88 : 1,181,720.46 = 474,348.64 : x
  2. Step 2: Convert to fraction form
    856,329.88/1,181,720.46 = 474,348.64/x
  3. Step 3: Cross multiply
    856,329.88x = 1,181,720.46 × 474,348.64
  4. Step 4: Simplify right side
    856,329.88x = 560,547,493,061.17
  5. Step 5: Solve for x
    x = 560,547,493,061.17/856,329.88
  6. Step 6: Final answer
    x = 654,592.94

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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.