Home / 1,812,772.80-2,719,072.80-614,577.60

Finding the Fourth Proportional to 1,812,772.80, 2,719,072.80 and 614,577.60

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Solution

The fourth proportional to 1,812,772.80, 2,719,072.80 and 614,577.60 is: 921,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,772.80 : 2,719,072.80 = 614,577.60 : x
  2. Step 2: Convert to fraction form
    1,812,772.80/2,719,072.80 = 614,577.60/x
  3. Step 3: Cross multiply
    1,812,772.80x = 2,719,072.80 × 614,577.60
  4. Step 4: Simplify right side
    1,812,772.80x = 1,671,081,235,649.28
  5. Step 5: Solve for x
    x = 1,671,081,235,649.28/1,812,772.80
  6. Step 6: Final answer
    x = 921,837.11

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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.