Home / 1,208,971.20-1,811,901.60-735,153.60

Finding the Fourth Proportional to 1,208,971.20, 1,811,901.60 and 735,153.60

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Solution

The fourth proportional to 1,208,971.20, 1,811,901.60 and 735,153.60 is: 1,101,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,971.20 : 1,811,901.60 = 735,153.60 : x
  2. Step 2: Convert to fraction form
    1,208,971.20/1,811,901.60 = 735,153.60/x
  3. Step 3: Cross multiply
    1,208,971.20x = 1,811,901.60 × 735,153.60
  4. Step 4: Simplify right side
    1,208,971.20x = 1,332,025,984,085.76
  5. Step 5: Solve for x
    x = 1,332,025,984,085.76/1,208,971.20
  6. Step 6: Final answer
    x = 1,101,784.71

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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.