Home / 545,214.10-817,821.15-245,344.35

Finding the Fourth Proportional to 545,214.10, 817,821.15 and 245,344.35

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Solution

The fourth proportional to 545,214.10, 817,821.15 and 245,344.35 is: 368,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,214.10 : 817,821.15 = 245,344.35 : x
  2. Step 2: Convert to fraction form
    545,214.10/817,821.15 = 245,344.35/x
  3. Step 3: Cross multiply
    545,214.10x = 817,821.15 × 245,344.35
  4. Step 4: Simplify right side
    545,214.10x = 200,647,798,463.00
  5. Step 5: Solve for x
    x = 200,647,798,463.00/545,214.10
  6. Step 6: Final answer
    x = 368,016.53

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.