Home / 1,871,582.88-2,807,374.59-451,638.96

Finding the Fourth Proportional to 1,871,582.88, 2,807,374.59 and 451,638.96

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Solution

The fourth proportional to 1,871,582.88, 2,807,374.59 and 451,638.96 is: 677,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,582.88 : 2,807,374.59 = 451,638.96 : x
  2. Step 2: Convert to fraction form
    1,871,582.88/2,807,374.59 = 451,638.96/x
  3. Step 3: Cross multiply
    1,871,582.88x = 2,807,374.59 × 451,638.96
  4. Step 4: Simplify right side
    1,871,582.88x = 1,267,919,737,899.83
  5. Step 5: Solve for x
    x = 1,267,919,737,899.83/1,871,582.88
  6. Step 6: Final answer
    x = 677,458.50

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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.