Home / 404,209.31-557,848.29-302,057.40

Finding the Fourth Proportional to 404,209.31, 557,848.29 and 302,057.40

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Solution

The fourth proportional to 404,209.31, 557,848.29 and 302,057.40 is: 416,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,209.31 : 557,848.29 = 302,057.40 : x
  2. Step 2: Convert to fraction form
    404,209.31/557,848.29 = 302,057.40/x
  3. Step 3: Cross multiply
    404,209.31x = 557,848.29 × 302,057.40
  4. Step 4: Simplify right side
    404,209.31x = 168,502,204,071.85
  5. Step 5: Solve for x
    x = 168,502,204,071.85/404,209.31
  6. Step 6: Final answer
    x = 416,868.69

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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.