Home / 962,636.45-1,328,487.21-554,804.69

Finding the Fourth Proportional to 962,636.45, 1,328,487.21 and 554,804.69

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Solution

The fourth proportional to 962,636.45, 1,328,487.21 and 554,804.69 is: 765,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,636.45 : 1,328,487.21 = 554,804.69 : x
  2. Step 2: Convert to fraction form
    962,636.45/1,328,487.21 = 554,804.69/x
  3. Step 3: Cross multiply
    962,636.45x = 1,328,487.21 × 554,804.69
  4. Step 4: Simplify right side
    962,636.45x = 737,050,928,070.58
  5. Step 5: Solve for x
    x = 737,050,928,070.58/962,636.45
  6. Step 6: Final answer
    x = 765,658.66

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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.