Home / 1,247,394.95-1,871,323.21-394,681.25

Finding the Fourth Proportional to 1,247,394.95, 1,871,323.21 and 394,681.25

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Solution

The fourth proportional to 1,247,394.95, 1,871,323.21 and 394,681.25 is: 592,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,394.95 : 1,871,323.21 = 394,681.25 : x
  2. Step 2: Convert to fraction form
    1,247,394.95/1,871,323.21 = 394,681.25/x
  3. Step 3: Cross multiply
    1,247,394.95x = 1,871,323.21 × 394,681.25
  4. Step 4: Simplify right side
    1,247,394.95x = 738,576,183,676.81
  5. Step 5: Solve for x
    x = 738,576,183,676.81/1,247,394.95
  6. Step 6: Final answer
    x = 592,094.90

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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.