Home / 572,965.38-862,875.79-521,890.29

Finding the Fourth Proportional to 572,965.38, 862,875.79 and 521,890.29

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Solution

The fourth proportional to 572,965.38, 862,875.79 and 521,890.29 is: 785,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,965.38 : 862,875.79 = 521,890.29 : x
  2. Step 2: Convert to fraction form
    572,965.38/862,875.79 = 521,890.29/x
  3. Step 3: Cross multiply
    572,965.38x = 862,875.79 × 521,890.29
  4. Step 4: Simplify right side
    572,965.38x = 450,326,494,972.35
  5. Step 5: Solve for x
    x = 450,326,494,972.35/572,965.38
  6. Step 6: Final answer
    x = 785,957.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.