Home / 519,180.35-716,469.03-286,607.43

Finding the Fourth Proportional to 519,180.35, 716,469.03 and 286,607.43

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Solution

The fourth proportional to 519,180.35, 716,469.03 and 286,607.43 is: 395,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,180.35 : 716,469.03 = 286,607.43 : x
  2. Step 2: Convert to fraction form
    519,180.35/716,469.03 = 286,607.43/x
  3. Step 3: Cross multiply
    519,180.35x = 716,469.03 × 286,607.43
  4. Step 4: Simplify right side
    519,180.35x = 205,345,347,362.89
  5. Step 5: Solve for x
    x = 205,345,347,362.89/519,180.35
  6. Step 6: Final answer
    x = 395,518.34

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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.