Home / 1,361,209.05-2,036,683.37-812,070.66

Finding the Fourth Proportional to 1,361,209.05, 2,036,683.37 and 812,070.66

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Solution

The fourth proportional to 1,361,209.05, 2,036,683.37 and 812,070.66 is: 1,215,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,209.05 : 2,036,683.37 = 812,070.66 : x
  2. Step 2: Convert to fraction form
    1,361,209.05/2,036,683.37 = 812,070.66/x
  3. Step 3: Cross multiply
    1,361,209.05x = 2,036,683.37 × 812,070.66
  4. Step 4: Simplify right side
    1,361,209.05x = 1,653,930,818,154.66
  5. Step 5: Solve for x
    x = 1,653,930,818,154.66/1,361,209.05
  6. Step 6: Final answer
    x = 1,215,045.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.