Home / 462,913.71-638,806.09-258,960.24

Finding the Fourth Proportional to 462,913.71, 638,806.09 and 258,960.24

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Solution

The fourth proportional to 462,913.71, 638,806.09 and 258,960.24 is: 357,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,913.71 : 638,806.09 = 258,960.24 : x
  2. Step 2: Convert to fraction form
    462,913.71/638,806.09 = 258,960.24/x
  3. Step 3: Cross multiply
    462,913.71x = 638,806.09 × 258,960.24
  4. Step 4: Simplify right side
    462,913.71x = 165,425,378,703.56
  5. Step 5: Solve for x
    x = 165,425,378,703.56/462,913.71
  6. Step 6: Final answer
    x = 357,356.84

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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.