Home / 1,447,718.36-1,997,853.72-803,138.56

Finding the Fourth Proportional to 1,447,718.36, 1,997,853.72 and 803,138.56

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Solution

The fourth proportional to 1,447,718.36, 1,997,853.72 and 803,138.56 is: 1,108,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,718.36 : 1,997,853.72 = 803,138.56 : x
  2. Step 2: Convert to fraction form
    1,447,718.36/1,997,853.72 = 803,138.56/x
  3. Step 3: Cross multiply
    1,447,718.36x = 1,997,853.72 × 803,138.56
  4. Step 4: Simplify right side
    1,447,718.36x = 1,604,553,359,771.44
  5. Step 5: Solve for x
    x = 1,604,553,359,771.44/1,447,718.36
  6. Step 6: Final answer
    x = 1,108,332.53

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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.