Home / 821,404.44-1,133,514.25-453,875.74

Finding the Fourth Proportional to 821,404.44, 1,133,514.25 and 453,875.74

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Solution

The fourth proportional to 821,404.44, 1,133,514.25 and 453,875.74 is: 626,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,404.44 : 1,133,514.25 = 453,875.74 : x
  2. Step 2: Convert to fraction form
    821,404.44/1,133,514.25 = 453,875.74/x
  3. Step 3: Cross multiply
    821,404.44x = 1,133,514.25 × 453,875.74
  4. Step 4: Simplify right side
    821,404.44x = 514,474,619,019.30
  5. Step 5: Solve for x
    x = 514,474,619,019.30/821,404.44
  6. Step 6: Final answer
    x = 626,335.33

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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.