Home / 962,396.89-1,328,439.72-554,661.61

Finding the Fourth Proportional to 962,396.89, 1,328,439.72 and 554,661.61

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Solution

The fourth proportional to 962,396.89, 1,328,439.72 and 554,661.61 is: 765,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,396.89 : 1,328,439.72 = 554,661.61 : x
  2. Step 2: Convert to fraction form
    962,396.89/1,328,439.72 = 554,661.61/x
  3. Step 3: Cross multiply
    962,396.89x = 1,328,439.72 × 554,661.61
  4. Step 4: Simplify right side
    962,396.89x = 736,834,513,883.15
  5. Step 5: Solve for x
    x = 736,834,513,883.15/962,396.89
  6. Step 6: Final answer
    x = 765,624.37

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1.5x scale

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.