Home / 977,905.80-1,465,692.30-504,347.40

Finding the Fourth Proportional to 977,905.80, 1,465,692.30 and 504,347.40

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Solution

The fourth proportional to 977,905.80, 1,465,692.30 and 504,347.40 is: 755,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,905.80 : 1,465,692.30 = 504,347.40 : x
  2. Step 2: Convert to fraction form
    977,905.80/1,465,692.30 = 504,347.40/x
  3. Step 3: Cross multiply
    977,905.80x = 1,465,692.30 × 504,347.40
  4. Step 4: Simplify right side
    977,905.80x = 739,218,100,705.02
  5. Step 5: Solve for x
    x = 739,218,100,705.02/977,905.80
  6. Step 6: Final answer
    x = 755,919.54

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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.