Home / 1,447,691.57-1,997,808.28-803,111.76

Finding the Fourth Proportional to 1,447,691.57, 1,997,808.28 and 803,111.76

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Solution

The fourth proportional to 1,447,691.57, 1,997,808.28 and 803,111.76 is: 1,108,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,691.57 : 1,997,808.28 = 803,111.76 : x
  2. Step 2: Convert to fraction form
    1,447,691.57/1,997,808.28 = 803,111.76/x
  3. Step 3: Cross multiply
    1,447,691.57x = 1,997,808.28 × 803,111.76
  4. Step 4: Simplify right side
    1,447,691.57x = 1,604,463,321,885.59
  5. Step 5: Solve for x
    x = 1,604,463,321,885.59/1,447,691.57
  6. Step 6: Final answer
    x = 1,108,290.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.