Home / 1,703,825.76-2,351,172.96-939,878.40

Finding the Fourth Proportional to 1,703,825.76, 2,351,172.96 and 939,878.40

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Solution

The fourth proportional to 1,703,825.76, 2,351,172.96 and 939,878.40 is: 1,296,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,825.76 : 2,351,172.96 = 939,878.40 : x
  2. Step 2: Convert to fraction form
    1,703,825.76/2,351,172.96 = 939,878.40/x
  3. Step 3: Cross multiply
    1,703,825.76x = 2,351,172.96 × 939,878.40
  4. Step 4: Simplify right side
    1,703,825.76x = 2,209,816,679,768.06
  5. Step 5: Solve for x
    x = 2,209,816,679,768.06/1,703,825.76
  6. Step 6: Final answer
    x = 1,296,973.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.