Home / 1,170,541.20-1,615,477.95-661,276.38

Finding the Fourth Proportional to 1,170,541.20, 1,615,477.95 and 661,276.38

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Solution

The fourth proportional to 1,170,541.20, 1,615,477.95 and 661,276.38 is: 912,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,541.20 : 1,615,477.95 = 661,276.38 : x
  2. Step 2: Convert to fraction form
    1,170,541.20/1,615,477.95 = 661,276.38/x
  3. Step 3: Cross multiply
    1,170,541.20x = 1,615,477.95 × 661,276.38
  4. Step 4: Simplify right side
    1,170,541.20x = 1,068,277,410,745.82
  5. Step 5: Solve for x
    x = 1,068,277,410,745.82/1,170,541.20
  6. Step 6: Final answer
    x = 912,635.46

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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.