Home / 793,886.40-1,189,447.20-513,259.20

Finding the Fourth Proportional to 793,886.40, 1,189,447.20 and 513,259.20

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Solution

The fourth proportional to 793,886.40, 1,189,447.20 and 513,259.20 is: 768,995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,886.40 : 1,189,447.20 = 513,259.20 : x
  2. Step 2: Convert to fraction form
    793,886.40/1,189,447.20 = 513,259.20/x
  3. Step 3: Cross multiply
    793,886.40x = 1,189,447.20 × 513,259.20
  4. Step 4: Simplify right side
    793,886.40x = 610,494,718,314.24
  5. Step 5: Solve for x
    x = 610,494,718,314.24/793,886.40
  6. Step 6: Final answer
    x = 768,995.06

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1.5x scale

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.