Home / 1,314,676.50-1,814,253.75-711,064.50

Finding the Fourth Proportional to 1,314,676.50, 1,814,253.75 and 711,064.50

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Solution

The fourth proportional to 1,314,676.50, 1,814,253.75 and 711,064.50 is: 981,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,676.50 : 1,814,253.75 = 711,064.50 : x
  2. Step 2: Convert to fraction form
    1,314,676.50/1,814,253.75 = 711,064.50/x
  3. Step 3: Cross multiply
    1,314,676.50x = 1,814,253.75 × 711,064.50
  4. Step 4: Simplify right side
    1,314,676.50x = 1,290,051,435,616.88
  5. Step 5: Solve for x
    x = 1,290,051,435,616.88/1,314,676.50
  6. Step 6: Final answer
    x = 981,269.11

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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.