Home / 919,222.12-1,268,459.94-575,211.88

Finding the Fourth Proportional to 919,222.12, 1,268,459.94 and 575,211.88

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Solution

The fourth proportional to 919,222.12, 1,268,459.94 and 575,211.88 is: 793,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,222.12 : 1,268,459.94 = 575,211.88 : x
  2. Step 2: Convert to fraction form
    919,222.12/1,268,459.94 = 575,211.88/x
  3. Step 3: Cross multiply
    919,222.12x = 1,268,459.94 × 575,211.88
  4. Step 4: Simplify right side
    919,222.12x = 729,633,226,792.09
  5. Step 5: Solve for x
    x = 729,633,226,792.09/919,222.12
  6. Step 6: Final answer
    x = 793,750.73

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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.