Home / 659,926.56-910,701.12-358,120.56

Finding the Fourth Proportional to 659,926.56, 910,701.12 and 358,120.56

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Solution

The fourth proportional to 659,926.56, 910,701.12 and 358,120.56 is: 494,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,926.56 : 910,701.12 = 358,120.56 : x
  2. Step 2: Convert to fraction form
    659,926.56/910,701.12 = 358,120.56/x
  3. Step 3: Cross multiply
    659,926.56x = 910,701.12 × 358,120.56
  4. Step 4: Simplify right side
    659,926.56x = 326,140,795,087.03
  5. Step 5: Solve for x
    x = 326,140,795,087.03/659,926.56
  6. Step 6: Final answer
    x = 494,207.71

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1.5x scale

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.