Home / 718,272.18-1,076,029.11-401,769.54

Finding the Fourth Proportional to 718,272.18, 1,076,029.11 and 401,769.54

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Solution

The fourth proportional to 718,272.18, 1,076,029.11 and 401,769.54 is: 601,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,272.18 : 1,076,029.11 = 401,769.54 : x
  2. Step 2: Convert to fraction form
    718,272.18/1,076,029.11 = 401,769.54/x
  3. Step 3: Cross multiply
    718,272.18x = 1,076,029.11 × 401,769.54
  4. Step 4: Simplify right side
    718,272.18x = 432,315,720,551.31
  5. Step 5: Solve for x
    x = 432,315,720,551.31/718,272.18
  6. Step 6: Final answer
    x = 601,882.87

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1.5x scale

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.