Home / 626,563.17-864,657.25-340,083.18

Finding the Fourth Proportional to 626,563.17, 864,657.25 and 340,083.18

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Solution

The fourth proportional to 626,563.17, 864,657.25 and 340,083.18 is: 469,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,563.17 : 864,657.25 = 340,083.18 : x
  2. Step 2: Convert to fraction form
    626,563.17/864,657.25 = 340,083.18/x
  3. Step 3: Cross multiply
    626,563.17x = 864,657.25 × 340,083.18
  4. Step 4: Simplify right side
    626,563.17x = 294,055,386,339.85
  5. Step 5: Solve for x
    x = 294,055,386,339.85/626,563.17
  6. Step 6: Final answer
    x = 469,314.83

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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.