Home / 1,871,528.73-2,807,011.51-523,516.60

Finding the Fourth Proportional to 1,871,528.73, 2,807,011.51 and 523,516.60

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Solution

The fourth proportional to 1,871,528.73, 2,807,011.51 and 523,516.60 is: 785,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,528.73 : 2,807,011.51 = 523,516.60 : x
  2. Step 2: Convert to fraction form
    1,871,528.73/2,807,011.51 = 523,516.60/x
  3. Step 3: Cross multiply
    1,871,528.73x = 2,807,011.51 × 523,516.60
  4. Step 4: Simplify right side
    1,871,528.73x = 1,469,517,121,876.07
  5. Step 5: Solve for x
    x = 1,469,517,121,876.07/1,871,528.73
  6. Step 6: Final answer
    x = 785,196.14

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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.