Home / 714,977.95-986,429.52-404,838.23

Finding the Fourth Proportional to 714,977.95, 986,429.52 and 404,838.23

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Solution

The fourth proportional to 714,977.95, 986,429.52 and 404,838.23 is: 558,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,977.95 : 986,429.52 = 404,838.23 : x
  2. Step 2: Convert to fraction form
    714,977.95/986,429.52 = 404,838.23/x
  3. Step 3: Cross multiply
    714,977.95x = 986,429.52 × 404,838.23
  4. Step 4: Simplify right side
    714,977.95x = 399,344,380,896.55
  5. Step 5: Solve for x
    x = 399,344,380,896.55/714,977.95
  6. Step 6: Final answer
    x = 558,540.83

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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.