Home / 821,410.52-1,132,810.19-684,044.24

Finding the Fourth Proportional to 821,410.52, 1,132,810.19 and 684,044.24

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Solution

The fourth proportional to 821,410.52, 1,132,810.19 and 684,044.24 is: 943,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,410.52 : 1,132,810.19 = 684,044.24 : x
  2. Step 2: Convert to fraction form
    821,410.52/1,132,810.19 = 684,044.24/x
  3. Step 3: Cross multiply
    821,410.52x = 1,132,810.19 × 684,044.24
  4. Step 4: Simplify right side
    821,410.52x = 774,892,283,411.88
  5. Step 5: Solve for x
    x = 774,892,283,411.88/821,410.52
  6. Step 6: Final answer
    x = 943,367.86

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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.