Home / 537,160.20-804,428.10-403,315.80

Finding the Fourth Proportional to 537,160.20, 804,428.10 and 403,315.80

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Solution

The fourth proportional to 537,160.20, 804,428.10 and 403,315.80 is: 603,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,160.20 : 804,428.10 = 403,315.80 : x
  2. Step 2: Convert to fraction form
    537,160.20/804,428.10 = 403,315.80/x
  3. Step 3: Cross multiply
    537,160.20x = 804,428.10 × 403,315.80
  4. Step 4: Simplify right side
    537,160.20x = 324,438,562,693.98
  5. Step 5: Solve for x
    x = 324,438,562,693.98/537,160.20
  6. Step 6: Final answer
    x = 603,988.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.