Home / 453,707.28-625,975.04-257,441.52

Finding the Fourth Proportional to 453,707.28, 625,975.04 and 257,441.52

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Solution

The fourth proportional to 453,707.28, 625,975.04 and 257,441.52 is: 355,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,707.28 : 625,975.04 = 257,441.52 : x
  2. Step 2: Convert to fraction form
    453,707.28/625,975.04 = 257,441.52/x
  3. Step 3: Cross multiply
    453,707.28x = 625,975.04 × 257,441.52
  4. Step 4: Simplify right side
    453,707.28x = 161,151,965,779.66
  5. Step 5: Solve for x
    x = 161,151,965,779.66/453,707.28
  6. Step 6: Final answer
    x = 355,189.29

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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.