Home / 457,646.55-631,541.37-253,693.81

Finding the Fourth Proportional to 457,646.55, 631,541.37 and 253,693.81

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Solution

The fourth proportional to 457,646.55, 631,541.37 and 253,693.81 is: 350,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,646.55 : 631,541.37 = 253,693.81 : x
  2. Step 2: Convert to fraction form
    457,646.55/631,541.37 = 253,693.81/x
  3. Step 3: Cross multiply
    457,646.55x = 631,541.37 × 253,693.81
  4. Step 4: Simplify right side
    457,646.55x = 160,218,136,327.92
  5. Step 5: Solve for x
    x = 160,218,136,327.92/457,646.55
  6. Step 6: Final answer
    x = 350,091.43

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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.