Home / 995,805.83-1,493,709.65-426,817.69

Finding the Fourth Proportional to 995,805.83, 1,493,709.65 and 426,817.69

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Solution

The fourth proportional to 995,805.83, 1,493,709.65 and 426,817.69 is: 640,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,805.83 : 1,493,709.65 = 426,817.69 : x
  2. Step 2: Convert to fraction form
    995,805.83/1,493,709.65 = 426,817.69/x
  3. Step 3: Cross multiply
    995,805.83x = 1,493,709.65 × 426,817.69
  4. Step 4: Simplify right side
    995,805.83x = 637,541,702,343.71
  5. Step 5: Solve for x
    x = 637,541,702,343.71/995,805.83
  6. Step 6: Final answer
    x = 640,226.92

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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.