Home / 547,764.10-821,646.15-173,824.90

Finding the Fourth Proportional to 547,764.10, 821,646.15 and 173,824.90

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Solution

The fourth proportional to 547,764.10, 821,646.15 and 173,824.90 is: 260,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,764.10 : 821,646.15 = 173,824.90 : x
  2. Step 2: Convert to fraction form
    547,764.10/821,646.15 = 173,824.90/x
  3. Step 3: Cross multiply
    547,764.10x = 821,646.15 × 173,824.90
  4. Step 4: Simplify right side
    547,764.10x = 142,822,559,859.14
  5. Step 5: Solve for x
    x = 142,822,559,859.14/547,764.10
  6. Step 6: Final answer
    x = 260,737.35

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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.