Home / 1,257,446.86-1,885,112.28-546,939.76

Finding the Fourth Proportional to 1,257,446.86, 1,885,112.28 and 546,939.76

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Solution

The fourth proportional to 1,257,446.86, 1,885,112.28 and 546,939.76 is: 819,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,446.86 : 1,885,112.28 = 546,939.76 : x
  2. Step 2: Convert to fraction form
    1,257,446.86/1,885,112.28 = 546,939.76/x
  3. Step 3: Cross multiply
    1,257,446.86x = 1,885,112.28 × 546,939.76
  4. Step 4: Simplify right side
    1,257,446.86x = 1,031,042,857,996.25
  5. Step 5: Solve for x
    x = 1,031,042,857,996.25/1,257,446.86
  6. Step 6: Final answer
    x = 819,949.45

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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.