Home / 935,869.23-1,403,748.43-261,935.60

Finding the Fourth Proportional to 935,869.23, 1,403,748.43 and 261,935.60

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Solution

The fourth proportional to 935,869.23, 1,403,748.43 and 261,935.60 is: 392,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,869.23 : 1,403,748.43 = 261,935.60 : x
  2. Step 2: Convert to fraction form
    935,869.23/1,403,748.43 = 261,935.60/x
  3. Step 3: Cross multiply
    935,869.23x = 1,403,748.43 × 261,935.60
  4. Step 4: Simplify right side
    935,869.23x = 367,691,679,587.53
  5. Step 5: Solve for x
    x = 367,691,679,587.53/935,869.23
  6. Step 6: Final answer
    x = 392,887.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.