Home / 1,528,247.35-2,109,028.75-839,906.65

Finding the Fourth Proportional to 1,528,247.35, 2,109,028.75 and 839,906.65

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Solution

The fourth proportional to 1,528,247.35, 2,109,028.75 and 839,906.65 is: 1,159,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,247.35 : 2,109,028.75 = 839,906.65 : x
  2. Step 2: Convert to fraction form
    1,528,247.35/2,109,028.75 = 839,906.65/x
  3. Step 3: Cross multiply
    1,528,247.35x = 2,109,028.75 × 839,906.65
  4. Step 4: Simplify right side
    1,528,247.35x = 1,771,387,272,166.19
  5. Step 5: Solve for x
    x = 1,771,387,272,166.19/1,528,247.35
  6. Step 6: Final answer
    x = 1,159,097.23

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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.