Home / 587,927.04-811,338.24-319,654.40

Finding the Fourth Proportional to 587,927.04, 811,338.24 and 319,654.40

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Solution

The fourth proportional to 587,927.04, 811,338.24 and 319,654.40 is: 441,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,927.04 : 811,338.24 = 319,654.40 : x
  2. Step 2: Convert to fraction form
    587,927.04/811,338.24 = 319,654.40/x
  3. Step 3: Cross multiply
    587,927.04x = 811,338.24 × 319,654.40
  4. Step 4: Simplify right side
    587,927.04x = 259,347,838,304.26
  5. Step 5: Solve for x
    x = 259,347,838,304.26/587,927.04
  6. Step 6: Final answer
    x = 441,122.49

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1.5x scale

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.