Home / 828,457.34-1,143,277.71-460,939.82

Finding the Fourth Proportional to 828,457.34, 1,143,277.71 and 460,939.82

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Solution

The fourth proportional to 828,457.34, 1,143,277.71 and 460,939.82 is: 636,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,457.34 : 1,143,277.71 = 460,939.82 : x
  2. Step 2: Convert to fraction form
    828,457.34/1,143,277.71 = 460,939.82/x
  3. Step 3: Cross multiply
    828,457.34x = 1,143,277.71 × 460,939.82
  4. Step 4: Simplify right side
    828,457.34x = 526,982,221,857.41
  5. Step 5: Solve for x
    x = 526,982,221,857.41/828,457.34
  6. Step 6: Final answer
    x = 636,100.61

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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.