Home / 809,040.20-1,116,058.52-503,000.52

Finding the Fourth Proportional to 809,040.20, 1,116,058.52 and 503,000.52

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Solution

The fourth proportional to 809,040.20, 1,116,058.52 and 503,000.52 is: 693,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,040.20 : 1,116,058.52 = 503,000.52 : x
  2. Step 2: Convert to fraction form
    809,040.20/1,116,058.52 = 503,000.52/x
  3. Step 3: Cross multiply
    809,040.20x = 1,116,058.52 × 503,000.52
  4. Step 4: Simplify right side
    809,040.20x = 561,378,013,395.43
  5. Step 5: Solve for x
    x = 561,378,013,395.43/809,040.20
  6. Step 6: Final answer
    x = 693,881.49

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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.