Home / 570,828.36-856,415.40-215,951.16

Finding the Fourth Proportional to 570,828.36, 856,415.40 and 215,951.16

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Solution

The fourth proportional to 570,828.36, 856,415.40 and 215,951.16 is: 323,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,828.36 : 856,415.40 = 215,951.16 : x
  2. Step 2: Convert to fraction form
    570,828.36/856,415.40 = 215,951.16/x
  3. Step 3: Cross multiply
    570,828.36x = 856,415.40 × 215,951.16
  4. Step 4: Simplify right side
    570,828.36x = 184,943,899,071.86
  5. Step 5: Solve for x
    x = 184,943,899,071.86/570,828.36
  6. Step 6: Final answer
    x = 323,992.13

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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.