Home / 1,217,207.81-1,825,906.71-407,595.29

Finding the Fourth Proportional to 1,217,207.81, 1,825,906.71 and 407,595.29

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Solution

The fourth proportional to 1,217,207.81, 1,825,906.71 and 407,595.29 is: 611,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,207.81 : 1,825,906.71 = 407,595.29 : x
  2. Step 2: Convert to fraction form
    1,217,207.81/1,825,906.71 = 407,595.29/x
  3. Step 3: Cross multiply
    1,217,207.81x = 1,825,906.71 × 407,595.29
  4. Step 4: Simplify right side
    1,217,207.81x = 744,230,975,352.35
  5. Step 5: Solve for x
    x = 744,230,975,352.35/1,217,207.81
  6. Step 6: Final answer
    x = 611,424.75

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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.