Home / 1,015,811.86-1,401,836.19-556,968.32

Finding the Fourth Proportional to 1,015,811.86, 1,401,836.19 and 556,968.32

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Solution

The fourth proportional to 1,015,811.86, 1,401,836.19 and 556,968.32 is: 768,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,811.86 : 1,401,836.19 = 556,968.32 : x
  2. Step 2: Convert to fraction form
    1,015,811.86/1,401,836.19 = 556,968.32/x
  3. Step 3: Cross multiply
    1,015,811.86x = 1,401,836.19 × 556,968.32
  4. Step 4: Simplify right side
    1,015,811.86x = 780,778,347,659.50
  5. Step 5: Solve for x
    x = 780,778,347,659.50/1,015,811.86
  6. Step 6: Final answer
    x = 768,624.96

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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.