Home / 877,511.88-1,315,792.15-403,774.88

Finding the Fourth Proportional to 877,511.88, 1,315,792.15 and 403,774.88

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Solution

The fourth proportional to 877,511.88, 1,315,792.15 and 403,774.88 is: 605,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,511.88 : 1,315,792.15 = 403,774.88 : x
  2. Step 2: Convert to fraction form
    877,511.88/1,315,792.15 = 403,774.88/x
  3. Step 3: Cross multiply
    877,511.88x = 1,315,792.15 × 403,774.88
  4. Step 4: Simplify right side
    877,511.88x = 531,283,809,882.79
  5. Step 5: Solve for x
    x = 531,283,809,882.79/877,511.88
  6. Step 6: Final answer
    x = 605,443.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.