Home / 455,861.60-683,821.58-175,378.85

Finding the Fourth Proportional to 455,861.60, 683,821.58 and 175,378.85

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Solution

The fourth proportional to 455,861.60, 683,821.58 and 175,378.85 is: 263,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,861.60 : 683,821.58 = 175,378.85 : x
  2. Step 2: Convert to fraction form
    455,861.60/683,821.58 = 175,378.85/x
  3. Step 3: Cross multiply
    455,861.60x = 683,821.58 × 175,378.85
  4. Step 4: Simplify right side
    455,861.60x = 119,927,838,009.58
  5. Step 5: Solve for x
    x = 119,927,838,009.58/455,861.60
  6. Step 6: Final answer
    x = 263,079.49

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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.