Home / 995,109.70-1,492,372.95-355,339.30

Finding the Fourth Proportional to 995,109.70, 1,492,372.95 and 355,339.30

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Solution

The fourth proportional to 995,109.70, 1,492,372.95 and 355,339.30 is: 532,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,109.70 : 1,492,372.95 = 355,339.30 : x
  2. Step 2: Convert to fraction form
    995,109.70/1,492,372.95 = 355,339.30/x
  3. Step 3: Cross multiply
    995,109.70x = 1,492,372.95 × 355,339.30
  4. Step 4: Simplify right side
    995,109.70x = 530,298,759,391.94
  5. Step 5: Solve for x
    x = 530,298,759,391.94/995,109.70
  6. Step 6: Final answer
    x = 532,904.82

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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.