Home / 995,116.20-1,492,382.70-355,345.80

Finding the Fourth Proportional to 995,116.20, 1,492,382.70 and 355,345.80

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Solution

The fourth proportional to 995,116.20, 1,492,382.70 and 355,345.80 is: 532,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,116.20 : 1,492,382.70 = 355,345.80 : x
  2. Step 2: Convert to fraction form
    995,116.20/1,492,382.70 = 355,345.80/x
  3. Step 3: Cross multiply
    995,116.20x = 1,492,382.70 × 355,345.80
  4. Step 4: Simplify right side
    995,116.20x = 530,311,924,437.66
  5. Step 5: Solve for x
    x = 530,311,924,437.66/995,116.20
  6. Step 6: Final answer
    x = 532,914.57

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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.