Home / 1,129,170.29-1,558,256.51-612,923.85

Finding the Fourth Proportional to 1,129,170.29, 1,558,256.51 and 612,923.85

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Solution

The fourth proportional to 1,129,170.29, 1,558,256.51 and 612,923.85 is: 845,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,170.29 : 1,558,256.51 = 612,923.85 : x
  2. Step 2: Convert to fraction form
    1,129,170.29/1,558,256.51 = 612,923.85/x
  3. Step 3: Cross multiply
    1,129,170.29x = 1,558,256.51 × 612,923.85
  4. Step 4: Simplify right side
    1,129,170.29x = 955,092,580,929.07
  5. Step 5: Solve for x
    x = 955,092,580,929.07/1,129,170.29
  6. Step 6: Final answer
    x = 845,835.74

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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.