Home / 962,415.24-1,328,428.88-554,789.64

Finding the Fourth Proportional to 962,415.24, 1,328,428.88 and 554,789.64

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Solution

The fourth proportional to 962,415.24, 1,328,428.88 and 554,789.64 is: 765,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,415.24 : 1,328,428.88 = 554,789.64 : x
  2. Step 2: Convert to fraction form
    962,415.24/1,328,428.88 = 554,789.64/x
  3. Step 3: Cross multiply
    962,415.24x = 1,328,428.88 × 554,789.64
  4. Step 4: Simplify right side
    962,415.24x = 736,998,580,100.80
  5. Step 5: Solve for x
    x = 736,998,580,100.80/962,415.24
  6. Step 6: Final answer
    x = 765,780.25

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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.