Home / 398,138.01-596,733.76-277,543.18

Finding the Fourth Proportional to 398,138.01, 596,733.76 and 277,543.18

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Solution

The fourth proportional to 398,138.01, 596,733.76 and 277,543.18 is: 415,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,138.01 : 596,733.76 = 277,543.18 : x
  2. Step 2: Convert to fraction form
    398,138.01/596,733.76 = 277,543.18/x
  3. Step 3: Cross multiply
    398,138.01x = 596,733.76 × 277,543.18
  4. Step 4: Simplify right side
    398,138.01x = 165,619,385,363.76
  5. Step 5: Solve for x
    x = 165,619,385,363.76/398,138.01
  6. Step 6: Final answer
    x = 415,984.86

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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.