Home / 1,314,652.76-1,814,220.94-711,040.76

Finding the Fourth Proportional to 1,314,652.76, 1,814,220.94 and 711,040.76

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Solution

The fourth proportional to 1,314,652.76, 1,814,220.94 and 711,040.76 is: 981,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,652.76 : 1,814,220.94 = 711,040.76 : x
  2. Step 2: Convert to fraction form
    1,314,652.76/1,814,220.94 = 711,040.76/x
  3. Step 3: Cross multiply
    1,314,652.76x = 1,814,220.94 × 711,040.76
  4. Step 4: Simplify right side
    1,314,652.76x = 1,289,985,035,985.51
  5. Step 5: Solve for x
    x = 1,289,985,035,985.51/1,314,652.76
  6. Step 6: Final answer
    x = 981,236.32

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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.