Home / 1,143,494.60-1,578,119.46-634,361

Finding the Fourth Proportional to 1,143,494.60, 1,578,119.46 and 634,361

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Solution

The fourth proportional to 1,143,494.60, 1,578,119.46 and 634,361 is: 875,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,494.60 : 1,578,119.46 = 634,361 : x
  2. Step 2: Convert to fraction form
    1,143,494.60/1,578,119.46 = 634,361/x
  3. Step 3: Cross multiply
    1,143,494.60x = 1,578,119.46 × 634,361
  4. Step 4: Simplify right side
    1,143,494.60x = 1,001,097,438,765.06
  5. Step 5: Solve for x
    x = 1,001,097,438,765.06/1,143,494.60
  6. Step 6: Final answer
    x = 875,471.94

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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.