Home / 1,092,440.57-1,638,897.44-418,521.93

Finding the Fourth Proportional to 1,092,440.57, 1,638,897.44 and 418,521.93

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Solution

The fourth proportional to 1,092,440.57, 1,638,897.44 and 418,521.93 is: 627,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,440.57 : 1,638,897.44 = 418,521.93 : x
  2. Step 2: Convert to fraction form
    1,092,440.57/1,638,897.44 = 418,521.93/x
  3. Step 3: Cross multiply
    1,092,440.57x = 1,638,897.44 × 418,521.93
  4. Step 4: Simplify right side
    1,092,440.57x = 685,914,516,031.78
  5. Step 5: Solve for x
    x = 685,914,516,031.78/1,092,440.57
  6. Step 6: Final answer
    x = 627,873.53

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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.