Home / 1,277,166.30-1,913,675.85-803,003.10

Finding the Fourth Proportional to 1,277,166.30, 1,913,675.85 and 803,003.10

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Solution

The fourth proportional to 1,277,166.30, 1,913,675.85 and 803,003.10 is: 1,203,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,166.30 : 1,913,675.85 = 803,003.10 : x
  2. Step 2: Convert to fraction form
    1,277,166.30/1,913,675.85 = 803,003.10/x
  3. Step 3: Cross multiply
    1,277,166.30x = 1,913,675.85 × 803,003.10
  4. Step 4: Simplify right side
    1,277,166.30x = 1,536,687,639,945.14
  5. Step 5: Solve for x
    x = 1,536,687,639,945.14/1,277,166.30
  6. Step 6: Final answer
    x = 1,203,200.90

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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.