Home / 526,904.48-790,358.54-127,544.61

Finding the Fourth Proportional to 526,904.48, 790,358.54 and 127,544.61

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Solution

The fourth proportional to 526,904.48, 790,358.54 and 127,544.61 is: 191,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,904.48 : 790,358.54 = 127,544.61 : x
  2. Step 2: Convert to fraction form
    526,904.48/790,358.54 = 127,544.61/x
  3. Step 3: Cross multiply
    526,904.48x = 790,358.54 × 127,544.61
  4. Step 4: Simplify right side
    526,904.48x = 100,805,971,106.75
  5. Step 5: Solve for x
    x = 100,805,971,106.75/526,904.48
  6. Step 6: Final answer
    x = 191,317.36

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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.