Home / 528,330.24-729,083.16-292,577.58

Finding the Fourth Proportional to 528,330.24, 729,083.16 and 292,577.58

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Solution

The fourth proportional to 528,330.24, 729,083.16 and 292,577.58 is: 403,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,330.24 : 729,083.16 = 292,577.58 : x
  2. Step 2: Convert to fraction form
    528,330.24/729,083.16 = 292,577.58/x
  3. Step 3: Cross multiply
    528,330.24x = 729,083.16 × 292,577.58
  4. Step 4: Simplify right side
    528,330.24x = 213,313,386,571.55
  5. Step 5: Solve for x
    x = 213,313,386,571.55/528,330.24
  6. Step 6: Final answer
    x = 403,750.10

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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.