Home / 1,781,927.80-2,673,503.70-519,940.60

Finding the Fourth Proportional to 1,781,927.80, 2,673,503.70 and 519,940.60

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Solution

The fourth proportional to 1,781,927.80, 2,673,503.70 and 519,940.60 is: 780,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,927.80 : 2,673,503.70 = 519,940.60 : x
  2. Step 2: Convert to fraction form
    1,781,927.80/2,673,503.70 = 519,940.60/x
  3. Step 3: Cross multiply
    1,781,927.80x = 2,673,503.70 × 519,940.60
  4. Step 4: Simplify right side
    1,781,927.80x = 1,390,063,117,880.22
  5. Step 5: Solve for x
    x = 1,390,063,117,880.22/1,781,927.80
  6. Step 6: Final answer
    x = 780,089.47

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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.