Home / 1,071,766.99-1,605,548.56-621,542

Finding the Fourth Proportional to 1,071,766.99, 1,605,548.56 and 621,542

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Solution

The fourth proportional to 1,071,766.99, 1,605,548.56 and 621,542 is: 931,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,766.99 : 1,605,548.56 = 621,542 : x
  2. Step 2: Convert to fraction form
    1,071,766.99/1,605,548.56 = 621,542/x
  3. Step 3: Cross multiply
    1,071,766.99x = 1,605,548.56 × 621,542
  4. Step 4: Simplify right side
    1,071,766.99x = 997,915,859,971.81
  5. Step 5: Solve for x
    x = 997,915,859,971.81/1,071,766.99
  6. Step 6: Final answer
    x = 931,094.04

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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.