Home / 1,245,582.40-1,868,834.40-404,161.60

Finding the Fourth Proportional to 1,245,582.40, 1,868,834.40 and 404,161.60

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Solution

The fourth proportional to 1,245,582.40, 1,868,834.40 and 404,161.60 is: 606,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,582.40 : 1,868,834.40 = 404,161.60 : x
  2. Step 2: Convert to fraction form
    1,245,582.40/1,868,834.40 = 404,161.60/x
  3. Step 3: Cross multiply
    1,245,582.40x = 1,868,834.40 × 404,161.60
  4. Step 4: Simplify right side
    1,245,582.40x = 755,311,101,239.04
  5. Step 5: Solve for x
    x = 755,311,101,239.04/1,245,582.40
  6. Step 6: Final answer
    x = 606,391.92

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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.