Home / 457,935.69-631,221.32-360,981.54

Finding the Fourth Proportional to 457,935.69, 631,221.32 and 360,981.54

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Solution

The fourth proportional to 457,935.69, 631,221.32 and 360,981.54 is: 497,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,935.69 : 631,221.32 = 360,981.54 : x
  2. Step 2: Convert to fraction form
    457,935.69/631,221.32 = 360,981.54/x
  3. Step 3: Cross multiply
    457,935.69x = 631,221.32 × 360,981.54
  4. Step 4: Simplify right side
    457,935.69x = 227,859,242,369.53
  5. Step 5: Solve for x
    x = 227,859,242,369.53/457,935.69
  6. Step 6: Final answer
    x = 497,579.13

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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.