Home / 1,661,803.60-2,492,705.40-539,872.60

Finding the Fourth Proportional to 1,661,803.60, 2,492,705.40 and 539,872.60

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Solution

The fourth proportional to 1,661,803.60, 2,492,705.40 and 539,872.60 is: 809,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,803.60 : 2,492,705.40 = 539,872.60 : x
  2. Step 2: Convert to fraction form
    1,661,803.60/2,492,705.40 = 539,872.60/x
  3. Step 3: Cross multiply
    1,661,803.60x = 2,492,705.40 × 539,872.60
  4. Step 4: Simplify right side
    1,661,803.60x = 1,345,743,345,332.04
  5. Step 5: Solve for x
    x = 1,345,743,345,332.04/1,661,803.60
  6. Step 6: Final answer
    x = 809,808.90

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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.