Home / 827,352.20-1,239,716.10-546,541.40

Finding the Fourth Proportional to 827,352.20, 1,239,716.10 and 546,541.40

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Solution

The fourth proportional to 827,352.20, 1,239,716.10 and 546,541.40 is: 818,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,352.20 : 1,239,716.10 = 546,541.40 : x
  2. Step 2: Convert to fraction form
    827,352.20/1,239,716.10 = 546,541.40/x
  3. Step 3: Cross multiply
    827,352.20x = 1,239,716.10 × 546,541.40
  4. Step 4: Simplify right side
    827,352.20x = 677,556,172,896.54
  5. Step 5: Solve for x
    x = 677,556,172,896.54/827,352.20
  6. Step 6: Final answer
    x = 818,945.27

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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.