Home / 854,177.63-1,178,662.79-472,152.47

Finding the Fourth Proportional to 854,177.63, 1,178,662.79 and 472,152.47

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Solution

The fourth proportional to 854,177.63, 1,178,662.79 and 472,152.47 is: 651,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,177.63 : 1,178,662.79 = 472,152.47 : x
  2. Step 2: Convert to fraction form
    854,177.63/1,178,662.79 = 472,152.47/x
  3. Step 3: Cross multiply
    854,177.63x = 1,178,662.79 × 472,152.47
  4. Step 4: Simplify right side
    854,177.63x = 556,508,542,882.66
  5. Step 5: Solve for x
    x = 556,508,542,882.66/854,177.63
  6. Step 6: Final answer
    x = 651,513.84

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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.