Home / 700,813.68-1,051,464.48-221,115.55

Finding the Fourth Proportional to 700,813.68, 1,051,464.48 and 221,115.55

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Solution

The fourth proportional to 700,813.68, 1,051,464.48 and 221,115.55 is: 331,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,813.68 : 1,051,464.48 = 221,115.55 : x
  2. Step 2: Convert to fraction form
    700,813.68/1,051,464.48 = 221,115.55/x
  3. Step 3: Cross multiply
    700,813.68x = 1,051,464.48 × 221,115.55
  4. Step 4: Simplify right side
    700,813.68x = 232,495,146,800.66
  5. Step 5: Solve for x
    x = 232,495,146,800.66/700,813.68
  6. Step 6: Final answer
    x = 331,750.30

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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.