Home / 785,596.41-1,178,911.37-430,859.54

Finding the Fourth Proportional to 785,596.41, 1,178,911.37 and 430,859.54

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Solution

The fourth proportional to 785,596.41, 1,178,911.37 and 430,859.54 is: 646,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,596.41 : 1,178,911.37 = 430,859.54 : x
  2. Step 2: Convert to fraction form
    785,596.41/1,178,911.37 = 430,859.54/x
  3. Step 3: Cross multiply
    785,596.41x = 1,178,911.37 × 430,859.54
  4. Step 4: Simplify right side
    785,596.41x = 507,945,214,603.40
  5. Step 5: Solve for x
    x = 507,945,214,603.40/785,596.41
  6. Step 6: Final answer
    x = 646,572.73

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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.