Home / 1,661,790.60-2,492,685.90-539,859.60

Finding the Fourth Proportional to 1,661,790.60, 2,492,685.90 and 539,859.60

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Solution

The fourth proportional to 1,661,790.60, 2,492,685.90 and 539,859.60 is: 809,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,790.60 : 2,492,685.90 = 539,859.60 : x
  2. Step 2: Convert to fraction form
    1,661,790.60/2,492,685.90 = 539,859.60/x
  3. Step 3: Cross multiply
    1,661,790.60x = 2,492,685.90 × 539,859.60
  4. Step 4: Simplify right side
    1,661,790.60x = 1,345,700,412,899.64
  5. Step 5: Solve for x
    x = 1,345,700,412,899.64/1,661,790.60
  6. Step 6: Final answer
    x = 809,789.40

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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.