Home / 903,911.04-1,247,732.64-776,073.60

Finding the Fourth Proportional to 903,911.04, 1,247,732.64 and 776,073.60

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Solution

The fourth proportional to 903,911.04, 1,247,732.64 and 776,073.60 is: 1,071,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,911.04 : 1,247,732.64 = 776,073.60 : x
  2. Step 2: Convert to fraction form
    903,911.04/1,247,732.64 = 776,073.60/x
  3. Step 3: Cross multiply
    903,911.04x = 1,247,732.64 × 776,073.60
  4. Step 4: Simplify right side
    903,911.04x = 968,332,361,762.30
  5. Step 5: Solve for x
    x = 968,332,361,762.30/903,911.04
  6. Step 6: Final answer
    x = 1,071,269.54

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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.