Home / 799,689.51-1,199,744.30-287,406.35

Finding the Fourth Proportional to 799,689.51, 1,199,744.30 and 287,406.35

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Solution

The fourth proportional to 799,689.51, 1,199,744.30 and 287,406.35 is: 431,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,689.51 : 1,199,744.30 = 287,406.35 : x
  2. Step 2: Convert to fraction form
    799,689.51/1,199,744.30 = 287,406.35/x
  3. Step 3: Cross multiply
    799,689.51x = 1,199,744.30 × 287,406.35
  4. Step 4: Simplify right side
    799,689.51x = 344,814,130,196.31
  5. Step 5: Solve for x
    x = 344,814,130,196.31/799,689.51
  6. Step 6: Final answer
    x = 431,185.01

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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.