Home / 1,461,291-2,190,011.94-618,800.28

Finding the Fourth Proportional to 1,461,291, 2,190,011.94 and 618,800.28

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Solution

The fourth proportional to 1,461,291, 2,190,011.94 and 618,800.28 is: 927,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,291 : 2,190,011.94 = 618,800.28 : x
  2. Step 2: Convert to fraction form
    1,461,291/2,190,011.94 = 618,800.28/x
  3. Step 3: Cross multiply
    1,461,291x = 2,190,011.94 × 618,800.28
  4. Step 4: Simplify right side
    1,461,291x = 1,355,180,001,675.34
  5. Step 5: Solve for x
    x = 1,355,180,001,675.34/1,461,291
  6. Step 6: Final answer
    x = 927,385.44

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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.