Home / 1,092,156.48-1,638,221.76-344,196

Finding the Fourth Proportional to 1,092,156.48, 1,638,221.76 and 344,196

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Solution

The fourth proportional to 1,092,156.48, 1,638,221.76 and 344,196 is: 516,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,156.48 : 1,638,221.76 = 344,196 : x
  2. Step 2: Convert to fraction form
    1,092,156.48/1,638,221.76 = 344,196/x
  3. Step 3: Cross multiply
    1,092,156.48x = 1,638,221.76 × 344,196
  4. Step 4: Simplify right side
    1,092,156.48x = 563,869,376,904.96
  5. Step 5: Solve for x
    x = 563,869,376,904.96/1,092,156.48
  6. Step 6: Final answer
    x = 516,289.92

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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.