Home / 962,731.80-1,328,560.74-554,684.04

Finding the Fourth Proportional to 962,731.80, 1,328,560.74 and 554,684.04

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Solution

The fourth proportional to 962,731.80, 1,328,560.74 and 554,684.04 is: 765,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,731.80 : 1,328,560.74 = 554,684.04 : x
  2. Step 2: Convert to fraction form
    962,731.80/1,328,560.74 = 554,684.04/x
  3. Step 3: Cross multiply
    962,731.80x = 1,328,560.74 × 554,684.04
  4. Step 4: Simplify right side
    962,731.80x = 736,931,438,648.59
  5. Step 5: Solve for x
    x = 736,931,438,648.59/962,731.80
  6. Step 6: Final answer
    x = 765,458.71

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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.