Home / 778,037.96-1,166,776.12-328,793.53

Finding the Fourth Proportional to 778,037.96, 1,166,776.12 and 328,793.53

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Solution

The fourth proportional to 778,037.96, 1,166,776.12 and 328,793.53 is: 493,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,037.96 : 1,166,776.12 = 328,793.53 : x
  2. Step 2: Convert to fraction form
    778,037.96/1,166,776.12 = 328,793.53/x
  3. Step 3: Cross multiply
    778,037.96x = 1,166,776.12 × 328,793.53
  4. Step 4: Simplify right side
    778,037.96x = 383,628,439,214.50
  5. Step 5: Solve for x
    x = 383,628,439,214.50/778,037.96
  6. Step 6: Final answer
    x = 493,071.62

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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.