Home / 1,223,440.40-1,835,160.60-885,767.60

Finding the Fourth Proportional to 1,223,440.40, 1,835,160.60 and 885,767.60

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Solution

The fourth proportional to 1,223,440.40, 1,835,160.60 and 885,767.60 is: 1,328,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,440.40 : 1,835,160.60 = 885,767.60 : x
  2. Step 2: Convert to fraction form
    1,223,440.40/1,835,160.60 = 885,767.60/x
  3. Step 3: Cross multiply
    1,223,440.40x = 1,835,160.60 × 885,767.60
  4. Step 4: Simplify right side
    1,223,440.40x = 1,625,525,800,276.56
  5. Step 5: Solve for x
    x = 1,625,525,800,276.56/1,223,440.40
  6. Step 6: Final answer
    x = 1,328,651.40

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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.