Home / 1,188,130.18-1,781,483.53-378,164.74

Finding the Fourth Proportional to 1,188,130.18, 1,781,483.53 and 378,164.74

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Solution

The fourth proportional to 1,188,130.18, 1,781,483.53 and 378,164.74 is: 567,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,130.18 : 1,781,483.53 = 378,164.74 : x
  2. Step 2: Convert to fraction form
    1,188,130.18/1,781,483.53 = 378,164.74/x
  3. Step 3: Cross multiply
    1,188,130.18x = 1,781,483.53 × 378,164.74
  4. Step 4: Simplify right side
    1,188,130.18x = 673,694,255,936.73
  5. Step 5: Solve for x
    x = 673,694,255,936.73/1,188,130.18
  6. Step 6: Final answer
    x = 567,020.57

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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.