Home / 829,235.30-1,243,859.88-230,243.17

Finding the Fourth Proportional to 829,235.30, 1,243,859.88 and 230,243.17

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Solution

The fourth proportional to 829,235.30, 1,243,859.88 and 230,243.17 is: 345,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,235.30 : 1,243,859.88 = 230,243.17 : x
  2. Step 2: Convert to fraction form
    829,235.30/1,243,859.88 = 230,243.17/x
  3. Step 3: Cross multiply
    829,235.30x = 1,243,859.88 × 230,243.17
  4. Step 4: Simplify right side
    829,235.30x = 286,390,244,341.06
  5. Step 5: Solve for x
    x = 286,390,244,341.06/829,235.30
  6. Step 6: Final answer
    x = 345,366.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.