Home / 657,265.40-985,898.10-236,486.60

Finding the Fourth Proportional to 657,265.40, 985,898.10 and 236,486.60

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Solution

The fourth proportional to 657,265.40, 985,898.10 and 236,486.60 is: 354,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,265.40 : 985,898.10 = 236,486.60 : x
  2. Step 2: Convert to fraction form
    657,265.40/985,898.10 = 236,486.60/x
  3. Step 3: Cross multiply
    657,265.40x = 985,898.10 × 236,486.60
  4. Step 4: Simplify right side
    657,265.40x = 233,151,689,615.46
  5. Step 5: Solve for x
    x = 233,151,689,615.46/657,265.40
  6. Step 6: Final answer
    x = 354,729.90

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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.