Home / 783,683.60-1,176,049.68-285,047.60

Finding the Fourth Proportional to 783,683.60, 1,176,049.68 and 285,047.60

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Solution

The fourth proportional to 783,683.60, 1,176,049.68 and 285,047.60 is: 427,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,683.60 : 1,176,049.68 = 285,047.60 : x
  2. Step 2: Convert to fraction form
    783,683.60/1,176,049.68 = 285,047.60/x
  3. Step 3: Cross multiply
    783,683.60x = 1,176,049.68 × 285,047.60
  4. Step 4: Simplify right side
    783,683.60x = 335,230,138,764.77
  5. Step 5: Solve for x
    x = 335,230,138,764.77/783,683.60
  6. Step 6: Final answer
    x = 427,762.10

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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.