Home / 793,521.09-1,190,363.72-261,041.40

Finding the Fourth Proportional to 793,521.09, 1,190,363.72 and 261,041.40

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Solution

The fourth proportional to 793,521.09, 1,190,363.72 and 261,041.40 is: 391,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,521.09 : 1,190,363.72 = 261,041.40 : x
  2. Step 2: Convert to fraction form
    793,521.09/1,190,363.72 = 261,041.40/x
  3. Step 3: Cross multiply
    793,521.09x = 1,190,363.72 × 261,041.40
  4. Step 4: Simplify right side
    793,521.09x = 310,734,210,672.80
  5. Step 5: Solve for x
    x = 310,734,210,672.80/793,521.09
  6. Step 6: Final answer
    x = 391,589.10

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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.