Home / 939,127.73-1,406,802.48-711,812.15

Finding the Fourth Proportional to 939,127.73, 1,406,802.48 and 711,812.15

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Solution

The fourth proportional to 939,127.73, 1,406,802.48 and 711,812.15 is: 1,066,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,127.73 : 1,406,802.48 = 711,812.15 : x
  2. Step 2: Convert to fraction form
    939,127.73/1,406,802.48 = 711,812.15/x
  3. Step 3: Cross multiply
    939,127.73x = 1,406,802.48 × 711,812.15
  4. Step 4: Simplify right side
    939,127.73x = 1,001,379,099,468.59
  5. Step 5: Solve for x
    x = 1,001,379,099,468.59/939,127.73
  6. Step 6: Final answer
    x = 1,066,286.37

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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.