Home / 1,225,166.40-1,838,405.70-551,351.70

Finding the Fourth Proportional to 1,225,166.40, 1,838,405.70 and 551,351.70

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Solution

The fourth proportional to 1,225,166.40, 1,838,405.70 and 551,351.70 is: 827,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,166.40 : 1,838,405.70 = 551,351.70 : x
  2. Step 2: Convert to fraction form
    1,225,166.40/1,838,405.70 = 551,351.70/x
  3. Step 3: Cross multiply
    1,225,166.40x = 1,838,405.70 × 551,351.70
  4. Step 4: Simplify right side
    1,225,166.40x = 1,013,608,107,984.69
  5. Step 5: Solve for x
    x = 1,013,608,107,984.69/1,225,166.40
  6. Step 6: Final answer
    x = 827,322.81

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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.