Home / 628,023.35-866,678.85-341,543.36

Finding the Fourth Proportional to 628,023.35, 866,678.85 and 341,543.36

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Solution

The fourth proportional to 628,023.35, 866,678.85 and 341,543.36 is: 471,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,023.35 : 866,678.85 = 341,543.36 : x
  2. Step 2: Convert to fraction form
    628,023.35/866,678.85 = 341,543.36/x
  3. Step 3: Cross multiply
    628,023.35x = 866,678.85 × 341,543.36
  4. Step 4: Simplify right side
    628,023.35x = 296,008,402,136.54
  5. Step 5: Solve for x
    x = 296,008,402,136.54/628,023.35
  6. Step 6: Final answer
    x = 471,333.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.