Home / 570,829.36-856,416.90-215,952.16

Finding the Fourth Proportional to 570,829.36, 856,416.90 and 215,952.16

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Solution

The fourth proportional to 570,829.36, 856,416.90 and 215,952.16 is: 323,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,829.36 : 856,416.90 = 215,952.16 : x
  2. Step 2: Convert to fraction form
    570,829.36/856,416.90 = 215,952.16/x
  3. Step 3: Cross multiply
    570,829.36x = 856,416.90 × 215,952.16
  4. Step 4: Simplify right side
    570,829.36x = 184,945,079,415.50
  5. Step 5: Solve for x
    x = 184,945,079,415.50/570,829.36
  6. Step 6: Final answer
    x = 323,993.64

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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.