Home / 661,546.85-912,544.92-416,140.47

Finding the Fourth Proportional to 661,546.85, 912,544.92 and 416,140.47

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Solution

The fourth proportional to 661,546.85, 912,544.92 and 416,140.47 is: 574,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,546.85 : 912,544.92 = 416,140.47 : x
  2. Step 2: Convert to fraction form
    661,546.85/912,544.92 = 416,140.47/x
  3. Step 3: Cross multiply
    661,546.85x = 912,544.92 × 416,140.47
  4. Step 4: Simplify right side
    661,546.85x = 379,746,871,904.91
  5. Step 5: Solve for x
    x = 379,746,871,904.91/661,546.85
  6. Step 6: Final answer
    x = 574,028.69

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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.