Home / 810,288.02-1,118,100.23-447,689.54

Finding the Fourth Proportional to 810,288.02, 1,118,100.23 and 447,689.54

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Solution

The fourth proportional to 810,288.02, 1,118,100.23 and 447,689.54 is: 617,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,288.02 : 1,118,100.23 = 447,689.54 : x
  2. Step 2: Convert to fraction form
    810,288.02/1,118,100.23 = 447,689.54/x
  3. Step 3: Cross multiply
    810,288.02x = 1,118,100.23 × 447,689.54
  4. Step 4: Simplify right side
    810,288.02x = 500,561,777,642.59
  5. Step 5: Solve for x
    x = 500,561,777,642.59/810,288.02
  6. Step 6: Final answer
    x = 617,757.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.