Home / 1,170,515.70-1,615,442.76-661,250.88

Finding the Fourth Proportional to 1,170,515.70, 1,615,442.76 and 661,250.88

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Solution

The fourth proportional to 1,170,515.70, 1,615,442.76 and 661,250.88 is: 912,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,515.70 : 1,615,442.76 = 661,250.88 : x
  2. Step 2: Convert to fraction form
    1,170,515.70/1,615,442.76 = 661,250.88/x
  3. Step 3: Cross multiply
    1,170,515.70x = 1,615,442.76 × 661,250.88
  4. Step 4: Simplify right side
    1,170,515.70x = 1,068,212,946,639.63
  5. Step 5: Solve for x
    x = 1,068,212,946,639.63/1,170,515.70
  6. Step 6: Final answer
    x = 912,600.27

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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.