Home / 881,211.40-1,321,860.30-461,307.40

Finding the Fourth Proportional to 881,211.40, 1,321,860.30 and 461,307.40

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Solution

The fourth proportional to 881,211.40, 1,321,860.30 and 461,307.40 is: 691,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,211.40 : 1,321,860.30 = 461,307.40 : x
  2. Step 2: Convert to fraction form
    881,211.40/1,321,860.30 = 461,307.40/x
  3. Step 3: Cross multiply
    881,211.40x = 1,321,860.30 × 461,307.40
  4. Step 4: Simplify right side
    881,211.40x = 609,783,938,156.22
  5. Step 5: Solve for x
    x = 609,783,938,156.22/881,211.40
  6. Step 6: Final answer
    x = 691,983.71

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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.