Home / 842,352.27-1,162,428.87-460,381.78

Finding the Fourth Proportional to 842,352.27, 1,162,428.87 and 460,381.78

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Solution

The fourth proportional to 842,352.27, 1,162,428.87 and 460,381.78 is: 635,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,352.27 : 1,162,428.87 = 460,381.78 : x
  2. Step 2: Convert to fraction form
    842,352.27/1,162,428.87 = 460,381.78/x
  3. Step 3: Cross multiply
    842,352.27x = 1,162,428.87 × 460,381.78
  4. Step 4: Simplify right side
    842,352.27x = 535,161,072,293.99
  5. Step 5: Solve for x
    x = 535,161,072,293.99/842,352.27
  6. Step 6: Final answer
    x = 635,317.42

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1.5x scale

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.