Home / 438,785.46-605,516.40-245,196.18

Finding the Fourth Proportional to 438,785.46, 605,516.40 and 245,196.18

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Solution

The fourth proportional to 438,785.46, 605,516.40 and 245,196.18 is: 338,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,785.46 : 605,516.40 = 245,196.18 : x
  2. Step 2: Convert to fraction form
    438,785.46/605,516.40 = 245,196.18/x
  3. Step 3: Cross multiply
    438,785.46x = 605,516.40 × 245,196.18
  4. Step 4: Simplify right side
    438,785.46x = 148,470,308,207.35
  5. Step 5: Solve for x
    x = 148,470,308,207.35/438,785.46
  6. Step 6: Final answer
    x = 338,366.52

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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.