Home / 985,134.60-1,359,985.86-622,929.96

Finding the Fourth Proportional to 985,134.60, 1,359,985.86 and 622,929.96

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Solution

The fourth proportional to 985,134.60, 1,359,985.86 and 622,929.96 is: 859,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,134.60 : 1,359,985.86 = 622,929.96 : x
  2. Step 2: Convert to fraction form
    985,134.60/1,359,985.86 = 622,929.96/x
  3. Step 3: Cross multiply
    985,134.60x = 1,359,985.86 × 622,929.96
  4. Step 4: Simplify right side
    985,134.60x = 847,175,937,370.37
  5. Step 5: Solve for x
    x = 847,175,937,370.37/985,134.60
  6. Step 6: Final answer
    x = 859,959.58

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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.