Home / 462,482.15-638,228.87-258,541.35

Finding the Fourth Proportional to 462,482.15, 638,228.87 and 258,541.35

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Solution

The fourth proportional to 462,482.15, 638,228.87 and 258,541.35 is: 356,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,482.15 : 638,228.87 = 258,541.35 : x
  2. Step 2: Convert to fraction form
    462,482.15/638,228.87 = 258,541.35/x
  3. Step 3: Cross multiply
    462,482.15x = 638,228.87 × 258,541.35
  4. Step 4: Simplify right side
    462,482.15x = 165,008,552,366.07
  5. Step 5: Solve for x
    x = 165,008,552,366.07/462,482.15
  6. Step 6: Final answer
    x = 356,789.02

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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.