Home / 1,037,160.88-1,556,468.52-429,958.55

Finding the Fourth Proportional to 1,037,160.88, 1,556,468.52 and 429,958.55

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Solution

The fourth proportional to 1,037,160.88, 1,556,468.52 and 429,958.55 is: 645,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,160.88 : 1,556,468.52 = 429,958.55 : x
  2. Step 2: Convert to fraction form
    1,037,160.88/1,556,468.52 = 429,958.55/x
  3. Step 3: Cross multiply
    1,037,160.88x = 1,556,468.52 × 429,958.55
  4. Step 4: Simplify right side
    1,037,160.88x = 669,216,947,979.85
  5. Step 5: Solve for x
    x = 669,216,947,979.85/1,037,160.88
  6. Step 6: Final answer
    x = 645,239.29

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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.