Home / 554,499.48-831,391.52-217,574.17

Finding the Fourth Proportional to 554,499.48, 831,391.52 and 217,574.17

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Solution

The fourth proportional to 554,499.48, 831,391.52 and 217,574.17 is: 326,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,499.48 : 831,391.52 = 217,574.17 : x
  2. Step 2: Convert to fraction form
    554,499.48/831,391.52 = 217,574.17/x
  3. Step 3: Cross multiply
    554,499.48x = 831,391.52 × 217,574.17
  4. Step 4: Simplify right side
    554,499.48x = 180,889,315,208.15
  5. Step 5: Solve for x
    x = 180,889,315,208.15/554,499.48
  6. Step 6: Final answer
    x = 326,220.90

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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.