Home / 1,209,811.80-1,814,717.70-836,563.80

Finding the Fourth Proportional to 1,209,811.80, 1,814,717.70 and 836,563.80

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Solution

The fourth proportional to 1,209,811.80, 1,814,717.70 and 836,563.80 is: 1,254,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,811.80 : 1,814,717.70 = 836,563.80 : x
  2. Step 2: Convert to fraction form
    1,209,811.80/1,814,717.70 = 836,563.80/x
  3. Step 3: Cross multiply
    1,209,811.80x = 1,814,717.70 × 836,563.80
  4. Step 4: Simplify right side
    1,209,811.80x = 1,518,127,135,039.26
  5. Step 5: Solve for x
    x = 1,518,127,135,039.26/1,209,811.80
  6. Step 6: Final answer
    x = 1,254,845.70

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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.