Home / 935,346.07-1,289,916.78-612,939.07

Finding the Fourth Proportional to 935,346.07, 1,289,916.78 and 612,939.07

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Solution

The fourth proportional to 935,346.07, 1,289,916.78 and 612,939.07 is: 845,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,346.07 : 1,289,916.78 = 612,939.07 : x
  2. Step 2: Convert to fraction form
    935,346.07/1,289,916.78 = 612,939.07/x
  3. Step 3: Cross multiply
    935,346.07x = 1,289,916.78 × 612,939.07
  4. Step 4: Simplify right side
    935,346.07x = 790,640,391,510.60
  5. Step 5: Solve for x
    x = 790,640,391,510.60/935,346.07
  6. Step 6: Final answer
    x = 845,291.83

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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.