Home / 462,872.79-638,823.51-258,935.04

Finding the Fourth Proportional to 462,872.79, 638,823.51 and 258,935.04

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Solution

The fourth proportional to 462,872.79, 638,823.51 and 258,935.04 is: 357,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,872.79 : 638,823.51 = 258,935.04 : x
  2. Step 2: Convert to fraction form
    462,872.79/638,823.51 = 258,935.04/x
  3. Step 3: Cross multiply
    462,872.79x = 638,823.51 × 258,935.04
  4. Step 4: Simplify right side
    462,872.79x = 165,413,791,114.79
  5. Step 5: Solve for x
    x = 165,413,791,114.79/462,872.79
  6. Step 6: Final answer
    x = 357,363.39

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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.