Home / 752,467.79-1,038,336.91-446,491.45

Finding the Fourth Proportional to 752,467.79, 1,038,336.91 and 446,491.45

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Solution

The fourth proportional to 752,467.79, 1,038,336.91 and 446,491.45 is: 616,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,467.79 : 1,038,336.91 = 446,491.45 : x
  2. Step 2: Convert to fraction form
    752,467.79/1,038,336.91 = 446,491.45/x
  3. Step 3: Cross multiply
    752,467.79x = 1,038,336.91 × 446,491.45
  4. Step 4: Simplify right side
    752,467.79x = 463,608,552,716.11
  5. Step 5: Solve for x
    x = 463,608,552,716.11/752,467.79
  6. Step 6: Final answer
    x = 616,117.47

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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.