Home / 827,330.15-1,241,058.10-321,673.88

Finding the Fourth Proportional to 827,330.15, 1,241,058.10 and 321,673.88

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Solution

The fourth proportional to 827,330.15, 1,241,058.10 and 321,673.88 is: 482,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,330.15 : 1,241,058.10 = 321,673.88 : x
  2. Step 2: Convert to fraction form
    827,330.15/1,241,058.10 = 321,673.88/x
  3. Step 3: Cross multiply
    827,330.15x = 1,241,058.10 × 321,673.88
  4. Step 4: Simplify right side
    827,330.15x = 399,215,966,518.77
  5. Step 5: Solve for x
    x = 399,215,966,518.77/827,330.15
  6. Step 6: Final answer
    x = 482,535.26

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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.