Home / 989,781.30-1,365,914.07-537,072.30

Finding the Fourth Proportional to 989,781.30, 1,365,914.07 and 537,072.30

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Solution

The fourth proportional to 989,781.30, 1,365,914.07 and 537,072.30 is: 741,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,781.30 : 1,365,914.07 = 537,072.30 : x
  2. Step 2: Convert to fraction form
    989,781.30/1,365,914.07 = 537,072.30/x
  3. Step 3: Cross multiply
    989,781.30x = 1,365,914.07 × 537,072.30
  4. Step 4: Simplify right side
    989,781.30x = 733,594,611,177.26
  5. Step 5: Solve for x
    x = 733,594,611,177.26/989,781.30
  6. Step 6: Final answer
    x = 741,168.39

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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.