Home / 1,015,812.11-1,401,836.54-556,968.57

Finding the Fourth Proportional to 1,015,812.11, 1,401,836.54 and 556,968.57

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Solution

The fourth proportional to 1,015,812.11, 1,401,836.54 and 556,968.57 is: 768,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,812.11 : 1,401,836.54 = 556,968.57 : x
  2. Step 2: Convert to fraction form
    1,015,812.11/1,401,836.54 = 556,968.57/x
  3. Step 3: Cross multiply
    1,015,812.11x = 1,401,836.54 × 556,968.57
  4. Step 4: Simplify right side
    1,015,812.11x = 780,778,890,272.71
  5. Step 5: Solve for x
    x = 780,778,890,272.71/1,015,812.11
  6. Step 6: Final answer
    x = 768,625.31

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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.