Home / 314,456.69-434,080.64-237,997.13

Finding the Fourth Proportional to 314,456.69, 434,080.64 and 237,997.13

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Solution

The fourth proportional to 314,456.69, 434,080.64 and 237,997.13 is: 328,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,456.69 : 434,080.64 = 237,997.13 : x
  2. Step 2: Convert to fraction form
    314,456.69/434,080.64 = 237,997.13/x
  3. Step 3: Cross multiply
    314,456.69x = 434,080.64 × 237,997.13
  4. Step 4: Simplify right side
    314,456.69x = 103,309,944,933.15
  5. Step 5: Solve for x
    x = 103,309,944,933.15/314,456.69
  6. Step 6: Final answer
    x = 328,534.73

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1.5x scale

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.