Home / 634,919.06-876,130.36-376,751.45

Finding the Fourth Proportional to 634,919.06, 876,130.36 and 376,751.45

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Solution

The fourth proportional to 634,919.06, 876,130.36 and 376,751.45 is: 519,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,919.06 : 876,130.36 = 376,751.45 : x
  2. Step 2: Convert to fraction form
    634,919.06/876,130.36 = 376,751.45/x
  3. Step 3: Cross multiply
    634,919.06x = 876,130.36 × 376,751.45
  4. Step 4: Simplify right side
    634,919.06x = 330,083,378,196.49
  5. Step 5: Solve for x
    x = 330,083,378,196.49/634,919.06
  6. Step 6: Final answer
    x = 519,882.61

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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.