Home / 1,014,439.81-1,399,969.16-561,730.81

Finding the Fourth Proportional to 1,014,439.81, 1,399,969.16 and 561,730.81

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Solution

The fourth proportional to 1,014,439.81, 1,399,969.16 and 561,730.81 is: 775,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,439.81 : 1,399,969.16 = 561,730.81 : x
  2. Step 2: Convert to fraction form
    1,014,439.81/1,399,969.16 = 561,730.81/x
  3. Step 3: Cross multiply
    1,014,439.81x = 1,399,969.16 × 561,730.81
  4. Step 4: Simplify right side
    1,014,439.81x = 786,405,810,221.82
  5. Step 5: Solve for x
    x = 786,405,810,221.82/1,014,439.81
  6. Step 6: Final answer
    x = 775,211.90

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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.