Home / 1,871,582.63-2,807,374.21-451,638.71

Finding the Fourth Proportional to 1,871,582.63, 2,807,374.21 and 451,638.71

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Solution

The fourth proportional to 1,871,582.63, 2,807,374.21 and 451,638.71 is: 677,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,582.63 : 2,807,374.21 = 451,638.71 : x
  2. Step 2: Convert to fraction form
    1,871,582.63/2,807,374.21 = 451,638.71/x
  3. Step 3: Cross multiply
    1,871,582.63x = 2,807,374.21 × 451,638.71
  4. Step 4: Simplify right side
    1,871,582.63x = 1,267,918,860,802.33
  5. Step 5: Solve for x
    x = 1,267,918,860,802.33/1,871,582.63
  6. Step 6: Final answer
    x = 677,458.13

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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.