Home / 663,862.37-995,767.56-190,547.55

Finding the Fourth Proportional to 663,862.37, 995,767.56 and 190,547.55

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Solution

The fourth proportional to 663,862.37, 995,767.56 and 190,547.55 is: 285,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,862.37 : 995,767.56 = 190,547.55 : x
  2. Step 2: Convert to fraction form
    663,862.37/995,767.56 = 190,547.55/x
  3. Step 3: Cross multiply
    663,862.37x = 995,767.56 × 190,547.55
  4. Step 4: Simplify right side
    663,862.37x = 189,741,068,927.48
  5. Step 5: Solve for x
    x = 189,741,068,927.48/663,862.37
  6. Step 6: Final answer
    x = 285,813.87

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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.