Home / 529,895.33-731,261.14-288,177.83

Finding the Fourth Proportional to 529,895.33, 731,261.14 and 288,177.83

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Solution

The fourth proportional to 529,895.33, 731,261.14 and 288,177.83 is: 397,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,895.33 : 731,261.14 = 288,177.83 : x
  2. Step 2: Convert to fraction form
    529,895.33/731,261.14 = 288,177.83/x
  3. Step 3: Cross multiply
    529,895.33x = 731,261.14 × 288,177.83
  4. Step 4: Simplify right side
    529,895.33x = 210,733,251,037.12
  5. Step 5: Solve for x
    x = 210,733,251,037.12/529,895.33
  6. Step 6: Final answer
    x = 397,688.45

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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.