Home / 936,866.34-1,405,089.27-430,941.42

Finding the Fourth Proportional to 936,866.34, 1,405,089.27 and 430,941.42

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Solution

The fourth proportional to 936,866.34, 1,405,089.27 and 430,941.42 is: 646,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,866.34 : 1,405,089.27 = 430,941.42 : x
  2. Step 2: Convert to fraction form
    936,866.34/1,405,089.27 = 430,941.42/x
  3. Step 3: Cross multiply
    936,866.34x = 1,405,089.27 × 430,941.42
  4. Step 4: Simplify right side
    936,866.34x = 605,511,165,240.56
  5. Step 5: Solve for x
    x = 605,511,165,240.56/936,866.34
  6. Step 6: Final answer
    x = 646,315.42

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1.5x scale

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.