Home / 534,411.23-737,492.69-319,551.30

Finding the Fourth Proportional to 534,411.23, 737,492.69 and 319,551.30

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Solution

The fourth proportional to 534,411.23, 737,492.69 and 319,551.30 is: 440,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,411.23 : 737,492.69 = 319,551.30 : x
  2. Step 2: Convert to fraction form
    534,411.23/737,492.69 = 319,551.30/x
  3. Step 3: Cross multiply
    534,411.23x = 737,492.69 × 319,551.30
  4. Step 4: Simplify right side
    534,411.23x = 235,666,744,941.41
  5. Step 5: Solve for x
    x = 235,666,744,941.41/534,411.23
  6. Step 6: Final answer
    x = 440,983.89

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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.