Home / 554,473.40-831,707.67-217,275.80

Finding the Fourth Proportional to 554,473.40, 831,707.67 and 217,275.80

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Solution

The fourth proportional to 554,473.40, 831,707.67 and 217,275.80 is: 325,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,473.40 : 831,707.67 = 217,275.80 : x
  2. Step 2: Convert to fraction form
    554,473.40/831,707.67 = 217,275.80/x
  3. Step 3: Cross multiply
    554,473.40x = 831,707.67 × 217,275.80
  4. Step 4: Simplify right side
    554,473.40x = 180,709,949,365.39
  5. Step 5: Solve for x
    x = 180,709,949,365.39/554,473.40
  6. Step 6: Final answer
    x = 325,912.75

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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.