Home / 402,086.34-554,923.43-230,020.17

Finding the Fourth Proportional to 402,086.34, 554,923.43 and 230,020.17

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Solution

The fourth proportional to 402,086.34, 554,923.43 and 230,020.17 is: 317,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,086.34 : 554,923.43 = 230,020.17 : x
  2. Step 2: Convert to fraction form
    402,086.34/554,923.43 = 230,020.17/x
  3. Step 3: Cross multiply
    402,086.34x = 554,923.43 × 230,020.17
  4. Step 4: Simplify right side
    402,086.34x = 127,643,581,705.58
  5. Step 5: Solve for x
    x = 127,643,581,705.58/402,086.34
  6. Step 6: Final answer
    x = 317,453.17

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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.