Home / 1,209,626.92-1,814,703.18-368,156.80

Finding the Fourth Proportional to 1,209,626.92, 1,814,703.18 and 368,156.80

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Solution

The fourth proportional to 1,209,626.92, 1,814,703.18 and 368,156.80 is: 552,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,626.92 : 1,814,703.18 = 368,156.80 : x
  2. Step 2: Convert to fraction form
    1,209,626.92/1,814,703.18 = 368,156.80/x
  3. Step 3: Cross multiply
    1,209,626.92x = 1,814,703.18 × 368,156.80
  4. Step 4: Simplify right side
    1,209,626.92x = 668,095,315,698.62
  5. Step 5: Solve for x
    x = 668,095,315,698.62/1,209,626.92
  6. Step 6: Final answer
    x = 552,315.18

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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.