Home / 810,286.51-1,118,098.15-447,688.03

Finding the Fourth Proportional to 810,286.51, 1,118,098.15 and 447,688.03

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Solution

The fourth proportional to 810,286.51, 1,118,098.15 and 447,688.03 is: 617,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,286.51 : 1,118,098.15 = 447,688.03 : x
  2. Step 2: Convert to fraction form
    810,286.51/1,118,098.15 = 447,688.03/x
  3. Step 3: Cross multiply
    810,286.51x = 1,118,098.15 × 447,688.03
  4. Step 4: Simplify right side
    810,286.51x = 500,559,158,120.15
  5. Step 5: Solve for x
    x = 500,559,158,120.15/810,286.51
  6. Step 6: Final answer
    x = 617,755.76

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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.