Home / 1,228,866.30-1,844,129.30-430,154.46

Finding the Fourth Proportional to 1,228,866.30, 1,844,129.30 and 430,154.46

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Solution

The fourth proportional to 1,228,866.30, 1,844,129.30 and 430,154.46 is: 645,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,866.30 : 1,844,129.30 = 430,154.46 : x
  2. Step 2: Convert to fraction form
    1,228,866.30/1,844,129.30 = 430,154.46/x
  3. Step 3: Cross multiply
    1,228,866.30x = 1,844,129.30 × 430,154.46
  4. Step 4: Simplify right side
    1,228,866.30x = 793,260,441,060.91
  5. Step 5: Solve for x
    x = 793,260,441,060.91/1,228,866.30
  6. Step 6: Final answer
    x = 645,522.17

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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.