Home / 815,181.32-1,124,985.36-452,605.22

Finding the Fourth Proportional to 815,181.32, 1,124,985.36 and 452,605.22

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Solution

The fourth proportional to 815,181.32, 1,124,985.36 and 452,605.22 is: 624,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,181.32 : 1,124,985.36 = 452,605.22 : x
  2. Step 2: Convert to fraction form
    815,181.32/1,124,985.36 = 452,605.22/x
  3. Step 3: Cross multiply
    815,181.32x = 1,124,985.36 × 452,605.22
  4. Step 4: Simplify right side
    815,181.32x = 509,174,246,359.58
  5. Step 5: Solve for x
    x = 509,174,246,359.58/815,181.32
  6. Step 6: Final answer
    x = 624,614.71

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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.