Home / 1,043,663.40-1,561,995.90-917,692.20

Finding the Fourth Proportional to 1,043,663.40, 1,561,995.90 and 917,692.20

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Solution

The fourth proportional to 1,043,663.40, 1,561,995.90 and 917,692.20 is: 1,373,461.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,663.40 : 1,561,995.90 = 917,692.20 : x
  2. Step 2: Convert to fraction form
    1,043,663.40/1,561,995.90 = 917,692.20/x
  3. Step 3: Cross multiply
    1,043,663.40x = 1,561,995.90 × 917,692.20
  4. Step 4: Simplify right side
    1,043,663.40x = 1,433,431,453,861.98
  5. Step 5: Solve for x
    x = 1,433,431,453,861.98/1,043,663.40
  6. Step 6: Final answer
    x = 1,373,461.46

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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.