Home / 1,871,910.66-2,807,209.08-523,711.02

Finding the Fourth Proportional to 1,871,910.66, 2,807,209.08 and 523,711.02

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Solution

The fourth proportional to 1,871,910.66, 2,807,209.08 and 523,711.02 is: 785,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,910.66 : 2,807,209.08 = 523,711.02 : x
  2. Step 2: Convert to fraction form
    1,871,910.66/2,807,209.08 = 523,711.02/x
  3. Step 3: Cross multiply
    1,871,910.66x = 2,807,209.08 × 523,711.02
  4. Step 4: Simplify right side
    1,871,910.66x = 1,470,166,330,640.06
  5. Step 5: Solve for x
    x = 1,470,166,330,640.06/1,871,910.66
  6. Step 6: Final answer
    x = 785,382.74

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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.