Home / 863,114.41-1,191,238.19-519,297.85

Finding the Fourth Proportional to 863,114.41, 1,191,238.19 and 519,297.85

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Solution

The fourth proportional to 863,114.41, 1,191,238.19 and 519,297.85 is: 716,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,114.41 : 1,191,238.19 = 519,297.85 : x
  2. Step 2: Convert to fraction form
    863,114.41/1,191,238.19 = 519,297.85/x
  3. Step 3: Cross multiply
    863,114.41x = 1,191,238.19 × 519,297.85
  4. Step 4: Simplify right side
    863,114.41x = 618,607,430,904.89
  5. Step 5: Solve for x
    x = 618,607,430,904.89/863,114.41
  6. Step 6: Final answer
    x = 716,715.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.