Home / 521,968.14-720,366.63-292,564.41

Finding the Fourth Proportional to 521,968.14, 720,366.63 and 292,564.41

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Solution

The fourth proportional to 521,968.14, 720,366.63 and 292,564.41 is: 403,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,968.14 : 720,366.63 = 292,564.41 : x
  2. Step 2: Convert to fraction form
    521,968.14/720,366.63 = 292,564.41/x
  3. Step 3: Cross multiply
    521,968.14x = 720,366.63 × 292,564.41
  4. Step 4: Simplify right side
    521,968.14x = 210,753,638,089.64
  5. Step 5: Solve for x
    x = 210,753,638,089.64/521,968.14
  6. Step 6: Final answer
    x = 403,767.25

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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.