Home / 629,117.51-868,192.07-342,637.38

Finding the Fourth Proportional to 629,117.51, 868,192.07 and 342,637.38

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Solution

The fourth proportional to 629,117.51, 868,192.07 and 342,637.38 is: 472,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,117.51 : 868,192.07 = 342,637.38 : x
  2. Step 2: Convert to fraction form
    629,117.51/868,192.07 = 342,637.38/x
  3. Step 3: Cross multiply
    629,117.51x = 868,192.07 × 342,637.38
  4. Step 4: Simplify right side
    629,117.51x = 297,475,054,488.39
  5. Step 5: Solve for x
    x = 297,475,054,488.39/629,117.51
  6. Step 6: Final answer
    x = 472,844.98

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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.