Home / 1,124,047.14-1,551,187.70-640,632.66

Finding the Fourth Proportional to 1,124,047.14, 1,551,187.70 and 640,632.66

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Solution

The fourth proportional to 1,124,047.14, 1,551,187.70 and 640,632.66 is: 884,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,047.14 : 1,551,187.70 = 640,632.66 : x
  2. Step 2: Convert to fraction form
    1,124,047.14/1,551,187.70 = 640,632.66/x
  3. Step 3: Cross multiply
    1,124,047.14x = 1,551,187.70 × 640,632.66
  4. Step 4: Simplify right side
    1,124,047.14x = 993,741,502,410.28
  5. Step 5: Solve for x
    x = 993,741,502,410.28/1,124,047.14
  6. Step 6: Final answer
    x = 884,074.58

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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.