Home / 1,872,039.40-2,808,015.90-609,857.80

Finding the Fourth Proportional to 1,872,039.40, 2,808,015.90 and 609,857.80

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Solution

The fourth proportional to 1,872,039.40, 2,808,015.90 and 609,857.80 is: 914,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,039.40 : 2,808,015.90 = 609,857.80 : x
  2. Step 2: Convert to fraction form
    1,872,039.40/2,808,015.90 = 609,857.80/x
  3. Step 3: Cross multiply
    1,872,039.40x = 2,808,015.90 × 609,857.80
  4. Step 4: Simplify right side
    1,872,039.40x = 1,712,490,399,139.02
  5. Step 5: Solve for x
    x = 1,712,490,399,139.02/1,872,039.40
  6. Step 6: Final answer
    x = 914,772.63

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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.