Home / 738,405.90-1,019,021.49-416,098.26

Finding the Fourth Proportional to 738,405.90, 1,019,021.49 and 416,098.26

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Solution

The fourth proportional to 738,405.90, 1,019,021.49 and 416,098.26 is: 574,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,405.90 : 1,019,021.49 = 416,098.26 : x
  2. Step 2: Convert to fraction form
    738,405.90/1,019,021.49 = 416,098.26/x
  3. Step 3: Cross multiply
    738,405.90x = 1,019,021.49 × 416,098.26
  4. Step 4: Simplify right side
    738,405.90x = 424,013,068,891.61
  5. Step 5: Solve for x
    x = 424,013,068,891.61/738,405.90
  6. Step 6: Final answer
    x = 574,227.63

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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.