Home / 1,179,085.60-1,768,196.40-380,576.80

Finding the Fourth Proportional to 1,179,085.60, 1,768,196.40 and 380,576.80

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Solution

The fourth proportional to 1,179,085.60, 1,768,196.40 and 380,576.80 is: 570,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,085.60 : 1,768,196.40 = 380,576.80 : x
  2. Step 2: Convert to fraction form
    1,179,085.60/1,768,196.40 = 380,576.80/x
  3. Step 3: Cross multiply
    1,179,085.60x = 1,768,196.40 × 380,576.80
  4. Step 4: Simplify right side
    1,179,085.60x = 672,934,527,683.52
  5. Step 5: Solve for x
    x = 672,934,527,683.52/1,179,085.60
  6. Step 6: Final answer
    x = 570,725.76

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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.