Home / 863,148.86-1,191,150.53-500,788.47

Finding the Fourth Proportional to 863,148.86, 1,191,150.53 and 500,788.47

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Solution

The fourth proportional to 863,148.86, 1,191,150.53 and 500,788.47 is: 691,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,148.86 : 1,191,150.53 = 500,788.47 : x
  2. Step 2: Convert to fraction form
    863,148.86/1,191,150.53 = 500,788.47/x
  3. Step 3: Cross multiply
    863,148.86x = 1,191,150.53 × 500,788.47
  4. Step 4: Simplify right side
    863,148.86x = 596,514,455,299.22
  5. Step 5: Solve for x
    x = 596,514,455,299.22/863,148.86
  6. Step 6: Final answer
    x = 691,091.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.