Home / 816,065.28-1,126,176.21-453,523.05

Finding the Fourth Proportional to 816,065.28, 1,126,176.21 and 453,523.05

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Solution

The fourth proportional to 816,065.28, 1,126,176.21 and 453,523.05 is: 625,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,065.28 : 1,126,176.21 = 453,523.05 : x
  2. Step 2: Convert to fraction form
    816,065.28/1,126,176.21 = 453,523.05/x
  3. Step 3: Cross multiply
    816,065.28x = 1,126,176.21 × 453,523.05
  4. Step 4: Simplify right side
    816,065.28x = 510,746,869,596.64
  5. Step 5: Solve for x
    x = 510,746,869,596.64/816,065.28
  6. Step 6: Final answer
    x = 625,865.21

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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.