Home / 977,378.70-1,466,019.45-504,111.90

Finding the Fourth Proportional to 977,378.70, 1,466,019.45 and 504,111.90

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Solution

The fourth proportional to 977,378.70, 1,466,019.45 and 504,111.90 is: 756,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,378.70 : 1,466,019.45 = 504,111.90 : x
  2. Step 2: Convert to fraction form
    977,378.70/1,466,019.45 = 504,111.90/x
  3. Step 3: Cross multiply
    977,378.70x = 1,466,019.45 × 504,111.90
  4. Step 4: Simplify right side
    977,378.70x = 739,037,850,376.46
  5. Step 5: Solve for x
    x = 739,037,850,376.46/977,378.70
  6. Step 6: Final answer
    x = 756,142.78

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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.