Home / 316,935.79-474,332.04-308,406.49

Finding the Fourth Proportional to 316,935.79, 474,332.04 and 308,406.49

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Solution

The fourth proportional to 316,935.79, 474,332.04 and 308,406.49 is: 461,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,935.79 : 474,332.04 = 308,406.49 : x
  2. Step 2: Convert to fraction form
    316,935.79/474,332.04 = 308,406.49/x
  3. Step 3: Cross multiply
    316,935.79x = 474,332.04 × 308,406.49
  4. Step 4: Simplify right side
    316,935.79x = 146,287,079,550.94
  5. Step 5: Solve for x
    x = 146,287,079,550.94/316,935.79
  6. Step 6: Final answer
    x = 461,566.93

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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.