Home / 1,114,478.88-1,672,001.28-515,871.84

Finding the Fourth Proportional to 1,114,478.88, 1,672,001.28 and 515,871.84

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Solution

The fourth proportional to 1,114,478.88, 1,672,001.28 and 515,871.84 is: 773,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,478.88 : 1,672,001.28 = 515,871.84 : x
  2. Step 2: Convert to fraction form
    1,114,478.88/1,672,001.28 = 515,871.84/x
  3. Step 3: Cross multiply
    1,114,478.88x = 1,672,001.28 × 515,871.84
  4. Step 4: Simplify right side
    1,114,478.88x = 862,538,376,795.96
  5. Step 5: Solve for x
    x = 862,538,376,795.96/1,114,478.88
  6. Step 6: Final answer
    x = 773,938.74

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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.