Home / 968,300.72-1,336,251.44-538,580.89

Finding the Fourth Proportional to 968,300.72, 1,336,251.44 and 538,580.89

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Solution

The fourth proportional to 968,300.72, 1,336,251.44 and 538,580.89 is: 743,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,300.72 : 1,336,251.44 = 538,580.89 : x
  2. Step 2: Convert to fraction form
    968,300.72/1,336,251.44 = 538,580.89/x
  3. Step 3: Cross multiply
    968,300.72x = 1,336,251.44 × 538,580.89
  4. Step 4: Simplify right side
    968,300.72x = 719,679,480,444.82
  5. Step 5: Solve for x
    x = 719,679,480,444.82/968,300.72
  6. Step 6: Final answer
    x = 743,239.65

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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.