Home / 816,004.57-1,126,071.39-453,421.84

Finding the Fourth Proportional to 816,004.57, 1,126,071.39 and 453,421.84

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Solution

The fourth proportional to 816,004.57, 1,126,071.39 and 453,421.84 is: 625,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,004.57 : 1,126,071.39 = 453,421.84 : x
  2. Step 2: Convert to fraction form
    816,004.57/1,126,071.39 = 453,421.84/x
  3. Step 3: Cross multiply
    816,004.57x = 1,126,071.39 × 453,421.84
  4. Step 4: Simplify right side
    816,004.57x = 510,585,361,625.16
  5. Step 5: Solve for x
    x = 510,585,361,625.16/816,004.57
  6. Step 6: Final answer
    x = 625,713.85

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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.