Home / 1,228,266.45-1,841,151.51-508,999.48

Finding the Fourth Proportional to 1,228,266.45, 1,841,151.51 and 508,999.48

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Solution

The fourth proportional to 1,228,266.45, 1,841,151.51 and 508,999.48 is: 762,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,266.45 : 1,841,151.51 = 508,999.48 : x
  2. Step 2: Convert to fraction form
    1,228,266.45/1,841,151.51 = 508,999.48/x
  3. Step 3: Cross multiply
    1,228,266.45x = 1,841,151.51 × 508,999.48
  4. Step 4: Simplify right side
    1,228,266.45x = 937,145,161,191.22
  5. Step 5: Solve for x
    x = 937,145,161,191.22/1,228,266.45
  6. Step 6: Final answer
    x = 762,981.97

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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.