Home / 528,568.20-791,102.70-409,595.40

Finding the Fourth Proportional to 528,568.20, 791,102.70 and 409,595.40

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Solution

The fourth proportional to 528,568.20, 791,102.70 and 409,595.40 is: 613,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,568.20 : 791,102.70 = 409,595.40 : x
  2. Step 2: Convert to fraction form
    528,568.20/791,102.70 = 409,595.40/x
  3. Step 3: Cross multiply
    528,568.20x = 791,102.70 × 409,595.40
  4. Step 4: Simplify right side
    528,568.20x = 324,032,026,847.58
  5. Step 5: Solve for x
    x = 324,032,026,847.58/528,568.20
  6. Step 6: Final answer
    x = 613,037.31

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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.