Home / 526,925.76-790,414.08-171,939.36

Finding the Fourth Proportional to 526,925.76, 790,414.08 and 171,939.36

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Solution

The fourth proportional to 526,925.76, 790,414.08 and 171,939.36 is: 257,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,925.76 : 790,414.08 = 171,939.36 : x
  2. Step 2: Convert to fraction form
    526,925.76/790,414.08 = 171,939.36/x
  3. Step 3: Cross multiply
    526,925.76x = 790,414.08 × 171,939.36
  4. Step 4: Simplify right side
    526,925.76x = 135,903,291,050.19
  5. Step 5: Solve for x
    x = 135,903,291,050.19/526,925.76
  6. Step 6: Final answer
    x = 257,917.34

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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.