Home / 558,365.73-770,681.57-316,789.71

Finding the Fourth Proportional to 558,365.73, 770,681.57 and 316,789.71

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Solution

The fourth proportional to 558,365.73, 770,681.57 and 316,789.71 is: 437,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,365.73 : 770,681.57 = 316,789.71 : x
  2. Step 2: Convert to fraction form
    558,365.73/770,681.57 = 316,789.71/x
  3. Step 3: Cross multiply
    558,365.73x = 770,681.57 × 316,789.71
  4. Step 4: Simplify right side
    558,365.73x = 244,143,991,062.65
  5. Step 5: Solve for x
    x = 244,143,991,062.65/558,365.73
  6. Step 6: Final answer
    x = 437,247.45

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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.