Home / 1,511,764.77-2,086,238.28-823,434.51

Finding the Fourth Proportional to 1,511,764.77, 2,086,238.28 and 823,434.51

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Solution

The fourth proportional to 1,511,764.77, 2,086,238.28 and 823,434.51 is: 1,136,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,764.77 : 2,086,238.28 = 823,434.51 : x
  2. Step 2: Convert to fraction form
    1,511,764.77/2,086,238.28 = 823,434.51/x
  3. Step 3: Cross multiply
    1,511,764.77x = 2,086,238.28 × 823,434.51
  4. Step 4: Simplify right side
    1,511,764.77x = 1,717,880,595,835.04
  5. Step 5: Solve for x
    x = 1,717,880,595,835.04/1,511,764.77
  6. Step 6: Final answer
    x = 1,136,341.20

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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.