Home / 1,216,782.27-1,678,652.15-700,412.62

Finding the Fourth Proportional to 1,216,782.27, 1,678,652.15 and 700,412.62

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Solution

The fourth proportional to 1,216,782.27, 1,678,652.15 and 700,412.62 is: 966,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,782.27 : 1,678,652.15 = 700,412.62 : x
  2. Step 2: Convert to fraction form
    1,216,782.27/1,678,652.15 = 700,412.62/x
  3. Step 3: Cross multiply
    1,216,782.27x = 1,678,652.15 × 700,412.62
  4. Step 4: Simplify right side
    1,216,782.27x = 1,175,749,138,554.81
  5. Step 5: Solve for x
    x = 1,175,749,138,554.81/1,216,782.27
  6. Step 6: Final answer
    x = 966,277.34

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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.