Home / 1,402,157.74-2,102,394.21-548,212

Finding the Fourth Proportional to 1,402,157.74, 2,102,394.21 and 548,212

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Solution

The fourth proportional to 1,402,157.74, 2,102,394.21 and 548,212 is: 821,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,157.74 : 2,102,394.21 = 548,212 : x
  2. Step 2: Convert to fraction form
    1,402,157.74/2,102,394.21 = 548,212/x
  3. Step 3: Cross multiply
    1,402,157.74x = 2,102,394.21 × 548,212
  4. Step 4: Simplify right side
    1,402,157.74x = 1,152,557,734,652.52
  5. Step 5: Solve for x
    x = 1,152,557,734,652.52/1,402,157.74
  6. Step 6: Final answer
    x = 821,988.64

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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.