Home / 623,115.80-859,874.96-351,240.11

Finding the Fourth Proportional to 623,115.80, 859,874.96 and 351,240.11

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Solution

The fourth proportional to 623,115.80, 859,874.96 and 351,240.11 is: 484,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,115.80 : 859,874.96 = 351,240.11 : x
  2. Step 2: Convert to fraction form
    623,115.80/859,874.96 = 351,240.11/x
  3. Step 3: Cross multiply
    623,115.80x = 859,874.96 × 351,240.11
  4. Step 4: Simplify right side
    623,115.80x = 302,022,572,115.37
  5. Step 5: Solve for x
    x = 302,022,572,115.37/623,115.80
  6. Step 6: Final answer
    x = 484,697.35

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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.