Home / 629,328.69-942,827.85-486,668.25

Finding the Fourth Proportional to 629,328.69, 942,827.85 and 486,668.25

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Solution

The fourth proportional to 629,328.69, 942,827.85 and 486,668.25 is: 729,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,328.69 : 942,827.85 = 486,668.25 : x
  2. Step 2: Convert to fraction form
    629,328.69/942,827.85 = 486,668.25/x
  3. Step 3: Cross multiply
    629,328.69x = 942,827.85 × 486,668.25
  4. Step 4: Simplify right side
    629,328.69x = 458,844,379,810.76
  5. Step 5: Solve for x
    x = 458,844,379,810.76/629,328.69
  6. Step 6: Final answer
    x = 729,101.32

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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.