Home / 926,045.80-1,388,291.10-482,813.80

Finding the Fourth Proportional to 926,045.80, 1,388,291.10 and 482,813.80

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Solution

The fourth proportional to 926,045.80, 1,388,291.10 and 482,813.80 is: 723,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,045.80 : 1,388,291.10 = 482,813.80 : x
  2. Step 2: Convert to fraction form
    926,045.80/1,388,291.10 = 482,813.80/x
  3. Step 3: Cross multiply
    926,045.80x = 1,388,291.10 × 482,813.80
  4. Step 4: Simplify right side
    926,045.80x = 670,286,101,497.18
  5. Step 5: Solve for x
    x = 670,286,101,497.18/926,045.80
  6. Step 6: Final answer
    x = 723,815.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.