Home / 679,139.25-937,999.50-452,391.09

Finding the Fourth Proportional to 679,139.25, 937,999.50 and 452,391.09

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Solution

The fourth proportional to 679,139.25, 937,999.50 and 452,391.09 is: 624,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,139.25 : 937,999.50 = 452,391.09 : x
  2. Step 2: Convert to fraction form
    679,139.25/937,999.50 = 452,391.09/x
  3. Step 3: Cross multiply
    679,139.25x = 937,999.50 × 452,391.09
  4. Step 4: Simplify right side
    679,139.25x = 424,342,616,224.46
  5. Step 5: Solve for x
    x = 424,342,616,224.46/679,139.25
  6. Step 6: Final answer
    x = 624,824.17

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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.