Home / 1,871,707.20-2,807,560.80-609,662.40

Finding the Fourth Proportional to 1,871,707.20, 2,807,560.80 and 609,662.40

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Solution

The fourth proportional to 1,871,707.20, 2,807,560.80 and 609,662.40 is: 914,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,707.20 : 2,807,560.80 = 609,662.40 : x
  2. Step 2: Convert to fraction form
    1,871,707.20/2,807,560.80 = 609,662.40/x
  3. Step 3: Cross multiply
    1,871,707.20x = 2,807,560.80 × 609,662.40
  4. Step 4: Simplify right side
    1,871,707.20x = 1,711,664,255,473.92
  5. Step 5: Solve for x
    x = 1,711,664,255,473.92/1,871,707.20
  6. Step 6: Final answer
    x = 914,493.60

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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.