Home / 816,912.48-1,127,329.20-459,216.48

Finding the Fourth Proportional to 816,912.48, 1,127,329.20 and 459,216.48

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Solution

The fourth proportional to 816,912.48, 1,127,329.20 and 459,216.48 is: 633,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,912.48 : 1,127,329.20 = 459,216.48 : x
  2. Step 2: Convert to fraction form
    816,912.48/1,127,329.20 = 459,216.48/x
  3. Step 3: Cross multiply
    816,912.48x = 1,127,329.20 × 459,216.48
  4. Step 4: Simplify right side
    816,912.48x = 517,688,147,025.22
  5. Step 5: Solve for x
    x = 517,688,147,025.22/816,912.48
  6. Step 6: Final answer
    x = 633,713.11

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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.