Home / 410,386.50-566,342.91-257,431.14

Finding the Fourth Proportional to 410,386.50, 566,342.91 and 257,431.14

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Solution

The fourth proportional to 410,386.50, 566,342.91 and 257,431.14 is: 355,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,386.50 : 566,342.91 = 257,431.14 : x
  2. Step 2: Convert to fraction form
    410,386.50/566,342.91 = 257,431.14/x
  3. Step 3: Cross multiply
    410,386.50x = 566,342.91 × 257,431.14
  4. Step 4: Simplify right side
    410,386.50x = 145,794,300,952.22
  5. Step 5: Solve for x
    x = 145,794,300,952.22/410,386.50
  6. Step 6: Final answer
    x = 355,260.96

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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.