Home / 1,104,571.28-1,524,298.75-621,126.12

Finding the Fourth Proportional to 1,104,571.28, 1,524,298.75 and 621,126.12

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Solution

The fourth proportional to 1,104,571.28, 1,524,298.75 and 621,126.12 is: 857,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,571.28 : 1,524,298.75 = 621,126.12 : x
  2. Step 2: Convert to fraction form
    1,104,571.28/1,524,298.75 = 621,126.12/x
  3. Step 3: Cross multiply
    1,104,571.28x = 1,524,298.75 × 621,126.12
  4. Step 4: Simplify right side
    1,104,571.28x = 946,781,775,965.49
  5. Step 5: Solve for x
    x = 946,781,775,965.49/1,104,571.28
  6. Step 6: Final answer
    x = 857,148.64

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Double scale
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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.