Home / 402,066.27-554,785.65-229,956.50

Finding the Fourth Proportional to 402,066.27, 554,785.65 and 229,956.50

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Solution

The fourth proportional to 402,066.27, 554,785.65 and 229,956.50 is: 317,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,066.27 : 554,785.65 = 229,956.50 : x
  2. Step 2: Convert to fraction form
    402,066.27/554,785.65 = 229,956.50/x
  3. Step 3: Cross multiply
    402,066.27x = 554,785.65 × 229,956.50
  4. Step 4: Simplify right side
    402,066.27x = 127,576,563,550.30
  5. Step 5: Solve for x
    x = 127,576,563,550.30/402,066.27
  6. Step 6: Final answer
    x = 317,302.33

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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.