Home / 892,205.40-1,231,210.04-484,298.46

Finding the Fourth Proportional to 892,205.40, 1,231,210.04 and 484,298.46

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Solution

The fourth proportional to 892,205.40, 1,231,210.04 and 484,298.46 is: 668,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,205.40 : 1,231,210.04 = 484,298.46 : x
  2. Step 2: Convert to fraction form
    892,205.40/1,231,210.04 = 484,298.46/x
  3. Step 3: Cross multiply
    892,205.40x = 1,231,210.04 × 484,298.46
  4. Step 4: Simplify right side
    892,205.40x = 596,273,126,308.54
  5. Step 5: Solve for x
    x = 596,273,126,308.54/892,205.40
  6. Step 6: Final answer
    x = 668,313.74

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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.