Home / 547,535.16-821,434.68-173,558.16

Finding the Fourth Proportional to 547,535.16, 821,434.68 and 173,558.16

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Solution

The fourth proportional to 547,535.16, 821,434.68 and 173,558.16 is: 260,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,535.16 : 821,434.68 = 173,558.16 : x
  2. Step 2: Convert to fraction form
    547,535.16/821,434.68 = 173,558.16/x
  3. Step 3: Cross multiply
    547,535.16x = 821,434.68 × 173,558.16
  4. Step 4: Simplify right side
    547,535.16x = 142,566,691,620.99
  5. Step 5: Solve for x
    x = 142,566,691,620.99/547,535.16
  6. Step 6: Final answer
    x = 260,379.06

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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.