Home / 962,769.14-1,328,635.41-554,645.78

Finding the Fourth Proportional to 962,769.14, 1,328,635.41 and 554,645.78

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Solution

The fourth proportional to 962,769.14, 1,328,635.41 and 554,645.78 is: 765,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,769.14 : 1,328,635.41 = 554,645.78 : x
  2. Step 2: Convert to fraction form
    962,769.14/1,328,635.41 = 554,645.78/x
  3. Step 3: Cross multiply
    962,769.14x = 1,328,635.41 × 554,645.78
  4. Step 4: Simplify right side
    962,769.14x = 736,922,023,315.07
  5. Step 5: Solve for x
    x = 736,922,023,315.07/962,769.14
  6. Step 6: Final answer
    x = 765,419.24

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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.