Home / 581,654.30-802,682.91-340,139.79

Finding the Fourth Proportional to 581,654.30, 802,682.91 and 340,139.79

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Solution

The fourth proportional to 581,654.30, 802,682.91 and 340,139.79 is: 469,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,654.30 : 802,682.91 = 340,139.79 : x
  2. Step 2: Convert to fraction form
    581,654.30/802,682.91 = 340,139.79/x
  3. Step 3: Cross multiply
    581,654.30x = 802,682.91 × 340,139.79
  4. Step 4: Simplify right side
    581,654.30x = 273,024,396,443.99
  5. Step 5: Solve for x
    x = 273,024,396,443.99/581,654.30
  6. Step 6: Final answer
    x = 469,392.90

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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.