Home / 486,982.52-672,022.95-272,124.35

Finding the Fourth Proportional to 486,982.52, 672,022.95 and 272,124.35

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Solution

The fourth proportional to 486,982.52, 672,022.95 and 272,124.35 is: 375,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,982.52 : 672,022.95 = 272,124.35 : x
  2. Step 2: Convert to fraction form
    486,982.52/672,022.95 = 272,124.35/x
  3. Step 3: Cross multiply
    486,982.52x = 672,022.95 × 272,124.35
  4. Step 4: Simplify right side
    486,982.52x = 182,873,808,453.83
  5. Step 5: Solve for x
    x = 182,873,808,453.83/486,982.52
  6. Step 6: Final answer
    x = 375,524.38

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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.