Home / 1,015,495.50-1,401,383.79-562,815.66

Finding the Fourth Proportional to 1,015,495.50, 1,401,383.79 and 562,815.66

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Solution

The fourth proportional to 1,015,495.50, 1,401,383.79 and 562,815.66 is: 776,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,495.50 : 1,401,383.79 = 562,815.66 : x
  2. Step 2: Convert to fraction form
    1,015,495.50/1,401,383.79 = 562,815.66/x
  3. Step 3: Cross multiply
    1,015,495.50x = 1,401,383.79 × 562,815.66
  4. Step 4: Simplify right side
    1,015,495.50x = 788,720,742,682.15
  5. Step 5: Solve for x
    x = 788,720,742,682.15/1,015,495.50
  6. Step 6: Final answer
    x = 776,685.61

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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.