Home / 961,554.55-1,442,823.91-393,355.55

Finding the Fourth Proportional to 961,554.55, 1,442,823.91 and 393,355.55

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Solution

The fourth proportional to 961,554.55, 1,442,823.91 and 393,355.55 is: 590,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,554.55 : 1,442,823.91 = 393,355.55 : x
  2. Step 2: Convert to fraction form
    961,554.55/1,442,823.91 = 393,355.55/x
  3. Step 3: Cross multiply
    961,554.55x = 1,442,823.91 × 393,355.55
  4. Step 4: Simplify right side
    961,554.55x = 567,542,792,671.20
  5. Step 5: Solve for x
    x = 567,542,792,671.20/961,554.55
  6. Step 6: Final answer
    x = 590,234.63

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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.