Home / 935,866.09-1,291,495.21-506,146.22

Finding the Fourth Proportional to 935,866.09, 1,291,495.21 and 506,146.22

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Solution

The fourth proportional to 935,866.09, 1,291,495.21 and 506,146.22 is: 698,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,866.09 : 1,291,495.21 = 506,146.22 : x
  2. Step 2: Convert to fraction form
    935,866.09/1,291,495.21 = 506,146.22/x
  3. Step 3: Cross multiply
    935,866.09x = 1,291,495.21 × 506,146.22
  4. Step 4: Simplify right side
    935,866.09x = 653,685,420,546.57
  5. Step 5: Solve for x
    x = 653,685,420,546.57/935,866.09
  6. Step 6: Final answer
    x = 698,481.79

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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.