Home / 1,126,503.40-1,554,567.78-617,204.20

Finding the Fourth Proportional to 1,126,503.40, 1,554,567.78 and 617,204.20

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Solution

The fourth proportional to 1,126,503.40, 1,554,567.78 and 617,204.20 is: 851,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,503.40 : 1,554,567.78 = 617,204.20 : x
  2. Step 2: Convert to fraction form
    1,126,503.40/1,554,567.78 = 617,204.20/x
  3. Step 3: Cross multiply
    1,126,503.40x = 1,554,567.78 × 617,204.20
  4. Step 4: Simplify right side
    1,126,503.40x = 959,485,763,000.68
  5. Step 5: Solve for x
    x = 959,485,763,000.68/1,126,503.40
  6. Step 6: Final answer
    x = 851,738.01

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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.