Home / 634,927.58-876,239.46-419,694.38

Finding the Fourth Proportional to 634,927.58, 876,239.46 and 419,694.38

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Solution

The fourth proportional to 634,927.58, 876,239.46 and 419,694.38 is: 579,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,927.58 : 876,239.46 = 419,694.38 : x
  2. Step 2: Convert to fraction form
    634,927.58/876,239.46 = 419,694.38/x
  3. Step 3: Cross multiply
    634,927.58x = 876,239.46 × 419,694.38
  4. Step 4: Simplify right side
    634,927.58x = 367,752,776,896.24
  5. Step 5: Solve for x
    x = 367,752,776,896.24/634,927.58
  6. Step 6: Final answer
    x = 579,204.29

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1.5x scale

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.