Home / 928,514.70-1,391,022.45-477,701.10

Finding the Fourth Proportional to 928,514.70, 1,391,022.45 and 477,701.10

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Solution

The fourth proportional to 928,514.70, 1,391,022.45 and 477,701.10 is: 715,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,514.70 : 1,391,022.45 = 477,701.10 : x
  2. Step 2: Convert to fraction form
    928,514.70/1,391,022.45 = 477,701.10/x
  3. Step 3: Cross multiply
    928,514.70x = 1,391,022.45 × 477,701.10
  4. Step 4: Simplify right side
    928,514.70x = 664,492,954,489.70
  5. Step 5: Solve for x
    x = 664,492,954,489.70/928,514.70
  6. Step 6: Final answer
    x = 715,651.52

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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.