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Finding the Fourth Proportional to 1,871,608.76, 2,582,827.87 and 1,012,169.01

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Solution

The fourth proportional to 1,871,608.76, 2,582,827.87 and 1,012,169.01 is: 1,396,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,608.76 : 2,582,827.87 = 1,012,169.01 : x
  2. Step 2: Convert to fraction form
    1,871,608.76/2,582,827.87 = 1,012,169.01/x
  3. Step 3: Cross multiply
    1,871,608.76x = 2,582,827.87 × 1,012,169.01
  4. Step 4: Simplify right side
    1,871,608.76x = 2,614,258,323,117.46
  5. Step 5: Solve for x
    x = 2,614,258,323,117.46/1,871,608.76
  6. Step 6: Final answer
    x = 1,396,797.44

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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.