Home / 1,209,636.80-1,814,382.08-535,520.96

Finding the Fourth Proportional to 1,209,636.80, 1,814,382.08 and 535,520.96

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Solution

The fourth proportional to 1,209,636.80, 1,814,382.08 and 535,520.96 is: 803,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,636.80 : 1,814,382.08 = 535,520.96 : x
  2. Step 2: Convert to fraction form
    1,209,636.80/1,814,382.08 = 535,520.96/x
  3. Step 3: Cross multiply
    1,209,636.80x = 1,814,382.08 × 535,520.96
  4. Step 4: Simplify right side
    1,209,636.80x = 971,639,633,288.40
  5. Step 5: Solve for x
    x = 971,639,633,288.40/1,209,636.80
  6. Step 6: Final answer
    x = 803,249.07

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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.