Home / 629,083.98-868,160.47-357,177.18

Finding the Fourth Proportional to 629,083.98, 868,160.47 and 357,177.18

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Solution

The fourth proportional to 629,083.98, 868,160.47 and 357,177.18 is: 492,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,083.98 : 868,160.47 = 357,177.18 : x
  2. Step 2: Convert to fraction form
    629,083.98/868,160.47 = 357,177.18/x
  3. Step 3: Cross multiply
    629,083.98x = 868,160.47 × 357,177.18
  4. Step 4: Simplify right side
    629,083.98x = 310,087,104,277.49
  5. Step 5: Solve for x
    x = 310,087,104,277.49/629,083.98
  6. Step 6: Final answer
    x = 492,918.46

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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.