Home / 1,871,825-2,808,047.66-657,086.52

Finding the Fourth Proportional to 1,871,825, 2,808,047.66 and 657,086.52

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Solution

The fourth proportional to 1,871,825, 2,808,047.66 and 657,086.52 is: 985,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,825 : 2,808,047.66 = 657,086.52 : x
  2. Step 2: Convert to fraction form
    1,871,825/2,808,047.66 = 657,086.52/x
  3. Step 3: Cross multiply
    1,871,825x = 2,808,047.66 × 657,086.52
  4. Step 4: Simplify right side
    1,871,825x = 1,845,130,264,903.54
  5. Step 5: Solve for x
    x = 1,845,130,264,903.54/1,871,825
  6. Step 6: Final answer
    x = 985,738.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.