Home / 1,308,332.10-1,805,519.59-719,654.80

Finding the Fourth Proportional to 1,308,332.10, 1,805,519.59 and 719,654.80

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Solution

The fourth proportional to 1,308,332.10, 1,805,519.59 and 719,654.80 is: 993,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,332.10 : 1,805,519.59 = 719,654.80 : x
  2. Step 2: Convert to fraction form
    1,308,332.10/1,805,519.59 = 719,654.80/x
  3. Step 3: Cross multiply
    1,308,332.10x = 1,805,519.59 × 719,654.80
  4. Step 4: Simplify right side
    1,308,332.10x = 1,299,350,839,437.53
  5. Step 5: Solve for x
    x = 1,299,350,839,437.53/1,308,332.10
  6. Step 6: Final answer
    x = 993,135.34

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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.