Home / 554,221.80-831,332.70-199,247.40

Finding the Fourth Proportional to 554,221.80, 831,332.70 and 199,247.40

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Solution

The fourth proportional to 554,221.80, 831,332.70 and 199,247.40 is: 298,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,221.80 : 831,332.70 = 199,247.40 : x
  2. Step 2: Convert to fraction form
    554,221.80/831,332.70 = 199,247.40/x
  3. Step 3: Cross multiply
    554,221.80x = 831,332.70 × 199,247.40
  4. Step 4: Simplify right side
    554,221.80x = 165,640,879,009.98
  5. Step 5: Solve for x
    x = 165,640,879,009.98/554,221.80
  6. Step 6: Final answer
    x = 298,871.10

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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.