Home / 1,124,076.06-1,551,186.58-640,796.90

Finding the Fourth Proportional to 1,124,076.06, 1,551,186.58 and 640,796.90

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Solution

The fourth proportional to 1,124,076.06, 1,551,186.58 and 640,796.90 is: 884,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,076.06 : 1,551,186.58 = 640,796.90 : x
  2. Step 2: Convert to fraction form
    1,124,076.06/1,551,186.58 = 640,796.90/x
  3. Step 3: Cross multiply
    1,124,076.06x = 1,551,186.58 × 640,796.90
  4. Step 4: Simplify right side
    1,124,076.06x = 993,995,551,785.60
  5. Step 5: Solve for x
    x = 993,995,551,785.60/1,124,076.06
  6. Step 6: Final answer
    x = 884,277.84

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1.5x scale

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.