Home / 1,209,008.20-1,811,957.10-735,190.60

Finding the Fourth Proportional to 1,209,008.20, 1,811,957.10 and 735,190.60

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Solution

The fourth proportional to 1,209,008.20, 1,811,957.10 and 735,190.60 is: 1,101,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,008.20 : 1,811,957.10 = 735,190.60 : x
  2. Step 2: Convert to fraction form
    1,209,008.20/1,811,957.10 = 735,190.60/x
  3. Step 3: Cross multiply
    1,209,008.20x = 1,811,957.10 × 735,190.60
  4. Step 4: Simplify right side
    1,209,008.20x = 1,332,133,827,523.26
  5. Step 5: Solve for x
    x = 1,332,133,827,523.26/1,209,008.20
  6. Step 6: Final answer
    x = 1,101,840.19

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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.