Home / 657,636.12-985,861.78-236,615.76

Finding the Fourth Proportional to 657,636.12, 985,861.78 and 236,615.76

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Solution

The fourth proportional to 657,636.12, 985,861.78 and 236,615.76 is: 354,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,636.12 : 985,861.78 = 236,615.76 : x
  2. Step 2: Convert to fraction form
    657,636.12/985,861.78 = 236,615.76/x
  3. Step 3: Cross multiply
    657,636.12x = 985,861.78 × 236,615.76
  4. Step 4: Simplify right side
    657,636.12x = 233,270,434,329.65
  5. Step 5: Solve for x
    x = 233,270,434,329.65/657,636.12
  6. Step 6: Final answer
    x = 354,710.50

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1.5x scale

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.