Home / 389,260.47-537,195.38-245,968.23

Finding the Fourth Proportional to 389,260.47, 537,195.38 and 245,968.23

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Solution

The fourth proportional to 389,260.47, 537,195.38 and 245,968.23 is: 339,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,260.47 : 537,195.38 = 245,968.23 : x
  2. Step 2: Convert to fraction form
    389,260.47/537,195.38 = 245,968.23/x
  3. Step 3: Cross multiply
    389,260.47x = 537,195.38 × 245,968.23
  4. Step 4: Simplify right side
    389,260.47x = 132,132,996,782.78
  5. Step 5: Solve for x
    x = 132,132,996,782.78/389,260.47
  6. Step 6: Final answer
    x = 339,446.22

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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.