Home / 661,900.40-992,723.63-257,092.17

Finding the Fourth Proportional to 661,900.40, 992,723.63 and 257,092.17

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Solution

The fourth proportional to 661,900.40, 992,723.63 and 257,092.17 is: 385,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,900.40 : 992,723.63 = 257,092.17 : x
  2. Step 2: Convert to fraction form
    661,900.40/992,723.63 = 257,092.17/x
  3. Step 3: Cross multiply
    661,900.40x = 992,723.63 × 257,092.17
  4. Step 4: Simplify right side
    661,900.40x = 255,221,472,246.98
  5. Step 5: Solve for x
    x = 255,221,472,246.98/661,900.40
  6. Step 6: Final answer
    x = 385,588.94

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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.